Prefix (AE)	MEANING	EXAMPLES	Prefix (SSS)
above-	above	above۔ground	abov-
after-	after, post	after۔graduation, after۔colonial	after۔
anti-	against, opposed to	anti-slavery	antī-
arch-	most important	arch-duke, arch-enemy	arq-
astro-	outer space	astro-space, astro-travel-or	astrō-
auto-	by it's own actions	auto-pilot, auto-repeat	oto-
beneath-	beneath	beneath-ground	benēθ-
both-	both	both-cultural	bōθ-
centi-	1/100	centi-meter	senti-
co-	joint, joinly	co-author, co-own-ors	kō-
counter-	counter to	counter-attack, counter-claim	kownter-
de-	remove (something you didn't put there)	de-salt, de-forest, de-mystify, de-flea	dē-
deka-	10	deka-meter	deka-
dis-	reverse a previous action	dis-connect, dis-embark, dis-invite	dis-
eco-	ecological	eco-tourism, eco-friendly, eco-house	ekō-
ee-	electronic	ee-mail, ee-processor [Engl. "computer"]	ē-
electro-	electric	electro-magnetic	elektrō-
ex-	former	ex-boss, ex-wife	eks-
exo-	outside, outer, exterior	exo-planet (outside Earth's solor system)	eksō-
giga-	one-billion	giga-byte	giga-
grand-	one generation younger	grand-daughter, grand-father	grand-
greatgrand-	two generations younger	greatgrand-son, greatgrand-mother	greatgrand-
half-	one-half	half-liter, half-circle	haf-
hyper-	excessively	hyper-active, hyper-sensitive	hīper-
inner-	farther inward than outer	inner-shirt, inner-skirt	iner-
intra-	within	intra-national	intra-
kilo-	1,000	kilo-gram, kilo-meter	kilō-
less	reduce	less-spend (spend less), less-emphasize	les-
macro-	from a large perspective	macro-economics	makrō-
mass-	a huge number	mass-production, mass-migration	mas-
mega-	gigantic	mega-peninsula	mega-
micro-	very small	micro-credit	mīkrō
million	1,000,000	million-byte, million-watt	milyon-
mid-	mid (approximate)	mid-afternoon, mid-aged	mid-
mili-	1/1000	milli-liter, milli-gram	mili-
mini-	relatively tiny	mini-skirt	mini-
mis-	incorrect	mis-direction, mis-spell	mis-
multi-	many	mutli-national, multi-colored	multi-
nano-	one-billionth	nano-meter, nano-volt	nanō-
net-	remaining after deductions	net-worth, net-profit, net-happiness	net-
neuro-	related to nerves	neuro-psychology	nūro-
non-	not, lack of, absence of	non-combatant, non-arrival	non-
out-	surpassing a competitor	out-perform, out-run	owt-
outer-	farther outward than inner	outer-garment, outer-layer	owter-
over-	too much + verb	over-eat (eat too much), over-cautious	ōver-
part-	part, partly (not wholly)	part-way	part-
pre-	before	pre-pay	prē-
pro-	in favor of  (opposite of "anti-")	pro-war	prō-
pseudo-	not genuine despite of appearances	pseudo-science	sūdō-
quarter-	one-quarter (approximate)	quarter-moon	kwarter-
quasi-	partly but not wholly resembling	quasi-democratic	kwasē-
re-	again	re-enter, re-do	rē-
self-	self	self-defense, self-critical, self-biography	self-
semi-	partially (as in a hierarchy)	semi-retired, semi-literate	semi
sub-	at a lower location in a hierarchy	sub-category	sub-
super-	(converts modifier into superlative)	super-enviable, super-rich	sūper-
supra-	transcending	supra-natural	sūpra-
tera-	one trillion	tera-byte	tera-
trans-	across	trans-continental	trans-
twice-	twice	twice-week-y, twice-clockhour	twīs-
ultra-	excessive beyond common norms	ultra-sensitive	ultra-
un-	opposite of	un-fair, un-legal	un-
under-	insufficiently	under-eat, under-pay-t, under-achieve	under-
uni-	one, single	uni-culture	yūni-