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Basic English

Prefix		Suffix
un-	not, opposite of	-ed	past, having __
pre-	before	-er/-or	person or thing that __s, comparative
		-ing	action of
		-ly	in a __ manner, in __ ways, like a __; n to adv
		-s/-es	plural

Compound Words in Basic English

Prefix		Suffix
in-/inner-	in, into, toward	-able	able to be __ed
in-	not (not valid, use un-)	-ful	full of __ . (marginal)
out-/outer-	outward, at a distance, more than, better than	-less	without (invalid)
over-	too, extra, over	-like	like, suited to, n to adj
post-	after (not valid)	-mark	mark
under-	below, beneath, on underside, to a lower position	-meter	meter, instrument to measure
up/upper-	increase, higher, above, erect	-most	most
		-ship	office of (not valid)
		-some	a considerable degree, group of
		-some	tending to, causing (not valid)

Standard English

Prefix		Suffix
a-	not,without	-able	able to be __ed, inclined to
a-	not,without	-age	act of
ab-	from,away, off	-al/-ial	of, like, having the nature of
ad-	to, toward	-an/-ian	of, having to do with
air-	air, by air, of air	-ance/-ence	act of, state of, thing that
an-	not, without	-ant/-ent	-ing, one that __s
amphi-	around, on both sides, in two ways	-ary/-ory	place for __, being __
ante-	before	-ate	of,having,become,produce,supply,combine,condition of
anti-	against,rival,not,preventing,curing,	-ation	state of __
arch-	chief, principle	-ative	tending to, having to do with
auto-	self, automobile	-cy	office of, state of being
be-	thoroughly, about, make, provide	-dom	position,realm,condition of being, all those who
bi-	twice, double, two	-ed	past, having __
bio-	living, plants and animals	-ee	one who gets, is given
circum-	round about, all sides, in a circle	-eer	one who is or deals with
co-	with,together,joint	-en	cause, make, become, gain, made of, past, plural
com-	with,together,altogether	-ency	state of __ing
con-	against	-er/-ers	person or thing that __s, comparative
de-	do opposite of	-ess	female
di-	twice,double,twofold	-est	superlative
dis-	opposite of	-et	little
en-	cause, put,	-ette	little, female
eu-	good, well	-ey	full of (var of -y)
ex-	former, out of, thoroughly	-fold	times as many, divided into parts
extra-	outside, beyond, besides	-form	shaped, formed
fore-	in front, before	-ful	full of, having, enough to fill
geo-	to do with the earth	-gram	something written, grams
hydro-	to do with water	-graph	make picture,draw,write
hyper-	over, beyond, exceedingly, to excess	-hood	state of being, group of
hypo-	under, beneath, below, less than, slightly, somewhat	-ible	that can be __ed, var. -able
hetro-,heter-	other, different	-ic/-ical	of, being, made by, like
in-, im-,il-,ir-	not, opposite, absence of, in, into, toward	-ify	give quality of __ to, make __
inter-	together, between, during	-ion	act of __ing, state of, result of
intra-	within, inside, in the middle	-ine	like, being, having the nature of
ir-	not, cannot be	-ing/-ings	action of ___
iso-	equal, alike	-ise	var. -ize
mal-	bad, poorly	-ish	somewhat, resembling, like, belonging to
mid-	mid, middle	-ism	action, doctrine, system, state, case
mirco-	small, millionth, use of microscope	-ist	one who does/knows/busy with/believes
milli-	one thousandth	-ite	person associated with
mini-	small	-itis	inflammation of
mis-	bad,badly, wrong,wrongly	-ity	condition of being
mono-	one, single	-ive/-ative	pertaining to, tending to, likely to
multi-	having many, many times	-ize	make, become, be busy with, treat with
non-	not, not a, opposite, lack of, failure of	-kin	little
ob-	against, inversely,contrary to, toward, on,over	-less	without, that cannot be __ed
omni-	all, complete, infinite	-let	little, worn as a band
out-	outward, at a distance, more than, better than	-like	like, proper for *
over-	too, extra, over	-ling	little, unimportant, one that is, belonging to
pan-	all	-ly	in a _ manner, in __ ways, to a degree, in,to,from, of,each,from, in a place, every
per-	through, throughout, very	-ment	act/state/fact of __ing, means for __ing
poly-	more than one, many	-ness	state/condition of being
post-	after	-ology	any science or branch of knowledge
pre-	before	-or	person or thing that __s, var. -er
pro-	before, forward, on the side of	-ory	__ing, of __, of __ion, serving to, tending to
quasi-	seeming, not real, partly, almost	-ose	full of, much, many, fond of, like,
re-	again, once more, back	-ous	having, having much, full of, like, inclined to
self-	of oneself	-phobe	person in fear of
semi-	half, partly, twice	-proof	protected against, safe from
step-	related by remarriage	-s/-es/-ies	plural
sub-	under, below, down, nearly, lower, resulting from division, small degree	-ship	office of, state of, skill of, relation between
super-	over, above, besides, to excess, surpassing	-some	tending to, causing, considerable degree, group of
supra-	above, over, beyond, before	-th	item sequence
syn-	with, together, at the same time	-tion/-sion	state of __ing, being __ed
tetra-	four, four parts, four times	-ry	work\|act\|state of a __. var. -ery
thermo-	heat	-ster	one that __s, one that makes, one that is
trans-	across, over, through, beyond, on the other side	-ure	act of __ing\|ed, result of, thing that __s, is __ed
tri-	three, three parts, three times, every third	-ward(s)	in the direction of, toward
ultra-	beyond, extreme	-ways	direction, position
un-	not, opposite of *	-wise	in a __ manner, in the way of a __
under-	below, beneath, on underside, to a lower position	-y	full of, having, somewhat, inclined to, suggesting, small
up/upper-	increase, higher, above, erect
vice-	substitute, deputy, subordinate

Essential World English

Prefixes : un-, in- (im-, il-, ir-) . Where UN- means opposite and IN- means not.

Suffixes : -able (-ible), -ed, -er, -ing, -less, -ly .

Longman Defining Vocabulary

Prefixes : dis-, im- , in-, ir-, mid-, mis-, non-, re-, self-, un- .

Suffixes : -able, -al, -an, -ance, -ar, -ate, -ation, -ed, -en, -ence, -er, -ery, -ess, -ful, -ible, -ic, -ical, -ing, -ion, -ish, -ist, -ity, -ive, -ization, -ize, -less, -like, -ly, -ment, -ness, -or, -ous, -ry, -th, -ward(s), -work, -y .