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Prefixes and suffixes

What are prefixes, suffixes, and affixes? First off,  an affix is any word such as a prefix or suffix that attaches to another word. By definition:One or more sounds or letters occurring as a bound form attached to the beginning or end of a word, base, or phrase or inserted within a word or base and serving to produce a derivative word or an inflectional form”. –Merriam-Webster.

‘Affix’ is basically the generic term for all prefixes, suffixes, and infixes, (infixes are rare in English but very common in Spanish). One really needs to understand prefixes (attached to the beginning of the word) and suffixes (attached to the end of the word) in order to speak English really well. Correct implementation of prefixes and suffixes will allow you to completely alter the meaning of a word with ease and without having to change the whole sentence. There are not many prefixes and suffixes, but the problem with these resides in the fact that there is no rule to their correct implementation. For example, ‘im’ negates ‘polite’ and not ‘in’, therefore, the correct negation to ‘polite’ is ‘impolite’. The prefix ‘im’, just like all other prefixes must be learned by heart or by memory, but nevertheless, it’s really not difficult to remember! Below, I’ll outline correct affix usage with examples. Remember, affixes alter: verbs, adjectives, and adverbs.

List of common prefixes for verbs, adjectives and adverbs
ante-beforeantenatal, anteroom, antedate,
anti-against, opposingantibiotic, antidepressant, antidote, antifreeze
circum-aroundcircumstance, circumvent, circumnavigate
co-with, togetherco-worker, co-pilot, co-operation, co-worker
de-off, down, away fromdevalue, defrost, derail, demotivate, deactivate
dis-opposite of, againstdisagree, disappear, disintegrate, disapprove
em-, en-cause to, put intoembrace, encode, embed, enclose, engulf
epi-upon, close to, after, central pointepicentre, episcope, epidermis
ex-former, out of, no longer withex-president, ex-boyfriend, exterminate
extra-More of, beyondextracurricular, extraordinary, extra-terrestrial
fore-before, beginningforecast, forehead, foresee, foreword, foremost
homo-same, two equal thingshomosexual, homonuclear, homoplastic
hyper-over, above, excess ofhyperactive, hyperventilate
il-, im-, in-, ir-not, to negate, negativeimpossible, illegal, irresponsible, indefinite
im-, in-into, withininsert, import, inside
infra-beneath, belowinfrastructure, infrared, infrasonic, infraspecific
inter-, intra-betweeninteract, intermediate, intergalactic, intranet
macro-large, big versionmacroeconomics, macromolecule
micro-small, tiny, petitemicroscope, microbiology, microfilm, microwave
mid-middle, centre pointmidfielder, midway, midsummer
mis-wrongly, not correctmisinterpret, misfire, mistake, misunderstand
mono-one, singularmonotone, monobrow, monolithic
non-not, withoutnonsense, nonentity, nondescript
omni-all, every, all placesomnibus, omnivore, omnipotent
para-besideparachute, paramedic, paradox
post-after, post-mortem, postpone, post-natal
pre-before, beginningprefix, predetermine, pre-intermediate
re-again, repeatreturn, rediscover, reiterate, reunite
semi-half, semicircle, semi-final, semiconscious
sub-under, belowsubmerge, submarine, sub-category, subtitle
super-above, over, above superfood, superstar, supernatural, superimpose
therm-heat, temperaturethermometer, thermostat, thermodynamic
trans-across, beyondtransport, transnational, transatlantic
tri-threetriangle, tripod, tricycle
un-not, to negate, negativeunfinished, unfriendly, undone, unknown
uni-one, unicycle, universal, unilateral, unanimous
List of common suffixes for verbs, adjectives and adverbs: 
-acystate or qualitydemocracy, accuracy, lunacy, fallacy 
-althe action or process ofremedial, denial, trial, criminal,
-ance, -encestate or quality ofnuisance, ambience, tolerance
-domplace or state of beingfreedom, stardom, boredom
-er, -orperson or object that does a specified actionreader, creator, interpreter, inventor, collaborator, teacher, terminator 
-ismdoctrine, belief, theoryJudaism, scepticism, escapism, cynicism 
-istperson or object that does a specified actionGeologist, protagonist, sexist, scientist, theorist, communist, physicist 
-ity, -tyquality ofextremity, validity, enormity, absurdity 
-mentcondition, state of beingenchantment, argument, agreement
-nessstate of being, conditionheaviness, highness, sickness, staleness 
-shipposition heldfriendship, hardship, internship, 
-sion, -tionstate of beingposition, promotion, cohesion, creation
VERB SUFFIXES
-atebecomemediate, collaborate, create, mandate
-enbecomesharpen, strengthen, loosen
-ify, -fymake or becomejustify, simplify, magnify, satisfy, clarify
-ise, -izebecomepublicise, synthesise, hypnotise
ADJECTIVE SUFFIXES
-able, -iblecapable of beingedible, fallible, incredible, audible, comprehensible, doable
-alhaving the form or character offiscal, thermal, herbal, colonial,  
-esquein a manner of or resemblingpicturesque, burlesque, grotesque
-fulnotable for, possess a skillhandful, playful, hopeful, skillful, 
-ic, -icalhaving the form or character ofpsychological, hypocritical, methodical, nonsensical, musical
-ious, -ouscharacterised bypious, jealous, religious, ridiculous, malicious 
-ishhaving the quality of, being slightly of somethingsqueamish, sheepish, childish, 
-ivehaving the nature ofinquisitive, informative, attentive, native 
-lesswithout, zero meaningless, hopeless, homeless
-ycharacterised bydainty, beauty, airy, jealousy, hardly, dandy
ADVERB SUFFIXES
-lyrelated to or qualitysoftly, slowly, happily, crazily, madly, hopefully
-ward, -wardsdirection, movementtowards, afterwards, backwards, inward, downward
-wisein relation tootherwise, likewise, clockwise

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