Prefixes

a-	be-	con-	de-	dis-	en-	un-
aback	become	concede	deactivate	disband	enable	unabated
abet	because	conceive	debark - disembark	disciple	enacts	unable
abide	bedeck - adorn	concentration	debase	disconcert	encamp	unabridged
ablaze - afire - aflame	bedevil	concentric	debate	discontent	encased	unaccented
across	bedraggled	concession	decadence	discourse	enchain	unadorned
adrift	befall	conciliate	decamp	discursive	enchant - enchanting	unadulterated
afield	before	concur	decant	disembark	encircle	unafraid
afloat	befriend	concurrent	deceased	disembodied	enclose	unalterable
afoot	beget	condense	decided	disenchantment	encode	unbecoming !!!
afore - aforementioned - aforesaid - aforethought	begrudge	condescend	declaim	disengage	encompass	unbelief
afoul	beguile	conduce	declare	disentangle	encore	unbend
afresh - anew	behalf	conducive	decline	disequilibrium	encounter	unblushing
agape	behave	conduct	decompose	disfavour	encourage	unburden
aglow	behead	confederate	decoupling	disfigure	encrypt	unchaste
ahead	behest	conference - confer	decreased	disgorge	encumber	unerring
alight - alighted	behind - hindsight	confide	decree	disgraces	endanger	unfazed - unruffled?
alike	behold	confine	decry	disguise	endear	unfeeling
alive	behove	confirm	deduce	disheartened	endive	unframed
aloft	bejewelled	confluence	deduct	disincentive	endurance	unfrequented
alone	belabour	conform	deface	disinclination	enfeeble	unheeded
along	belated	confound	defame	disingenuous	enfold	unhinged
aloud	belittle	confraternity	default	disinterest	enforce	unhistorical
amass	beloved	confrère	defeat	disjoined	engage	unhitched
amend	bemoan	confront	defect	dislodge	engender	unholy
amidst	bemused	confuses	defend	disloyal	engrave	unhurt
amiss	bender !!!	congenial	deference - defiance	dismantle	engross	unlatched
amongst	beneath	congestion	deferment	dismember	engulfs	unostentatious
amuse	benumbing	congress	deficient	disobedience	enjoin	unpremeditated
apace	bequest - bequeath	conjoining - conjoint - conjunction	defy	disobeying	enjoy	unpropitious
apart	berated	conjurer	define	disown	enkindle	unquiet
apiece	besets	connotations	definite	dispassionate	enlarge	unremunerative
aplenty	beside	conquest	deformation	dispatch	enlighten	unrequited !!!
aright	besmeared	conscience	deformed	disperse	enlists	unresectable
arise	beseech	consensus	defray - refund	displease	enliven	unreserved
around	bespeak	consent	defuse	dispose	ennoble	unresisted
ascribe	bespoke	consequence	degenerate	dispraise	enough	unresisting
ashamed	bestow	conserve	degrade	disproved	enrage	unresolvable
ashore	betake	consider	dejected	disquiet	enrich	unresolved
aside	bethink	considerable	delay	disregard	enroll	unresponsive
askew	betide	consign	delegate	disrepute	enroute	unresponsiveness
aslant	betoken	consist	deliberate	disrobe	ensemble	unresting
asleep	betray	conspire	delight	dissection	enshrine - perpetuate	unrestrained
aspire	betroth	constant	delimit	dissent	enshrouded	unrestricted
astringent	between	constitution	delineate	dissentient	ensign	unrevealed
asunder	betwixt	constrain	deliver	dissevered	enslave	unrevealing
atone	bewail	constrict	deluxe	dissimilar	ensnare	unrewarded
avenue	beware	construct	demand	dissolute	ensue	unrighteous
averse	bewilder	consumer	demise	distally	ensure	unripe
avert	bewitch	contains	demystify	distaste	entail	unsavoury
avoid	beyond	contemplate	denial	distemper	entangle	unseaworth
avowed		contempt	denote	distend	entire	unsere
await		contend	denounce	disunited	entitle	unshackled
awake		contest	depart		entrain	unsparing
awhile		continue	depend		entrap	unstained
		contoured	depicts		entreat	unstinting
		contract	deplete		entree	unstratified
		contrary	deploy		entrench	unstructured
		contribute	deposit		entrust	unsubdued
		contrite	depredation		entwine	untainted
		control	depress		envelope	untenable
		convenient	deprive		envious	untenanted
		converge	derail		envision	untested
		convolution	derange		enticing - entice	unthankful
		confection	derelict - ramshackle			unthinkable
		conflating	deride			unthinking
		contrive	derive			unthought
			descent			unthreatening
			describe			untidy
			desert			untied
			deserve			untill
			design			untimely
			desire			untrodden
			desist			unvaried
			despite			unvarnished
			despoil - detract			unwarily
			despot			unwavering
			detain			unwell
			determinate - determine			unyielding
			detest
			detour
			deviant
			devious
			devoid
			devour
			devote
			dewatering

ex-	out-	over-	re-	up-	bi-
exclaim	outbound	overabundance	relapse	upbeat	biaxial
exempted	outbreak	overarching	reverie	upbraid	bicycle
exhale	outburst	overbalance	reawakening	upcoming	bidirectional
exhort	outcast	overbearing	rebate	update	bifocal
expend	outcome	overcome	recherche	upfront	bilateral
expense	outcry	overconfidence	reenactment	upgrade	bilinear
expert	outcrop	overconsumption	regale	upheaval	bilingual
expire	outdoors	overcooked	rekindle reawaken	uphill	bimodal
explain	outflank	overcrowded	rekindled	uphold	bimonthly
explosive	outgoing	overdependence	relish	upland	binary
export	outgrow	overdosing	remorse	uplift	biphasic
expose	outgun	overdrafts	reproach	uploading	biplane
expositions	outhouse	overestimate	requite	uppity	bipolar
expostulate	outlast	overexposure	resent	upraise	biracial
expound	outline	overhauled	resound	upright	bisector
express	outlive	overlap	retain	uprise	biserial
extant	outlook	overlook	retort	upriver	bisexual
extempore	outlying	overreach	retorts	uproar	bishop
extend	outnumber	overshadow	reverie	upsala	biweekly
extent	outpace	overshoot	revivify	upside
exterior	outpatient	oversight	reawakening	upslope
exterminate	outperform	overstated	resection	upstage
extinct	outrage	overstep		upstairs
extort	outreach	overstrain		upstart
extract	outright	oversubscribed		upstream
extradition	outshine	overtaking		uptake
extremely	outsider	overthrow		uptight
	outskirts	overvalued		uptown
	outsmart	overwhelming		upturn
	outsource	overwinter		upwind
	outspoken	overworked
	outspread	overwrought
	outstanding
	outstrip
	outvote
	outweigh
	outwitted
	outwork

cor-	apo-	il-	def-	ef-	manu-	omni
correlate	apolipoprotein	illicit	deflate	efface	manufactory	omnipotent
correspond	apomorphine	illiterate	deflect	effete	manuscript	omnipresence
	aponeurotic	illumine	defrayed	effluent	manumission	omniscience
	apostate
	apostrophe

on-	arch-	by-	ever-	equi-	for-	mal-
onboard	archbishop	bygone	ever-changing	equivalences	forbear to not do	malabsorption
oncoming	archpriest	byline	evergreens	equidistant	forgo to not do	malcontent
ongoing	archdeacon	bypass	ever-growing	equilateral	forsakes	malformed
onrush	archdiocese	byproduct	ever-increasing	equivalence	forsooth	malfunction
	archangels	bystander	everlasting	equipotential	forswear	malnourished
		byways		equivalent		malpractice
		byword				maltreat

ac-	af-	al-	app-	down-	as-	back-
accede	affable	allocate	appealing	downsizing	ascent	backsliding
acclaim	affair	allure	appear	downstream	ascertain	backgammon
accompany	affirm	altered	appease	downloaded	aspire	background
account	affixes	alterman	append - prepend	downgraded	assail	backscatter
accredit	affluent	almost	applaud - plaudits	downtrodden	assemble - semblance	backwoodsmen
accumulate	afflux	already	applying	downloading	assent	backbreaking
accustom	affray	although	appointment	downstairs	assented	backstairs
acknowledge	affront	altogether	appraise		assert	backhanded
acquaint	afther	always	approach		assess	backcountry
acquiescence			approval		assign
acquis - quisling					assorted
acquit					assure
					asunder

co-	dia-	em-	fore-	im-
coeducation	diagenesis	ematter	foreboding	immanent
coefficient	dialogue	embark	foreclose	immense
coequal	diathesis	embattled	forefather	impair
coexist	diametric	embitter	forefinger	impale
cofactor	dialysate	emblazoned	foregather	impalpable
cofounded	diachronically	embody	foreknowledge	impart
cogently	diatonic	embrace	forementioned	impatient
cohere	diacritical	embroil	forerunner	impede - impediment
coincidence	diapause	emetic	foresee	impending
coinsurance	diatribes	employ	foreshadow	imperfect
coital	diagrammatically	empower	forestall	imperil
cooperate	diameter	empress		impermeable
coordinate	diatribe			impersonate
copious	dialogical			impertinent
coprocessor	dialogic			impiety
cosine	diagnostic			impose
covalent	diagenetic			impound
covariance				improper
				imprudent

in-	mis-	ob-	sur-
inalienable	miscarry	object	surcharge
inanimate	misapprehension	obligation	surfaces
inapparent	misappropriate	obliterate	surficial
inapposite	mischance	oblong	surmount
incongruous	mischief	obnoxious	surname
inconspicuous	misconceived	obscene	surpass
indolent	misdemeanour	observe	surplus
induct	misdoing - misdeed	obsess	surprise
inexplicable	misfire - backfire	obstruct	surrealism
inmost	misfortune	obtain	surrender
innate	misgiving	obverse	surround
	misprint
	misshapen
	misspend
	mistake