63) pro- (in favor of, supporting) pro-America, pro-abortion

　　64) self- (by means of oneself or itself, of, to; with, for or in oneself or itself) self-employed, self-taught

　　65) step- (not by birth but through a parent who has remarried) stepmother, stepchildren

　　66) by-, bye- (less important) by-product, byway

　　67) a-, (on, in; not, without; intensive) aboard, abroad, ahead, ashore, aside, ashamed, awake, aware, abed, aflame; amoral, anarchy, anonymous, asocial, atom, apolitical, acentric; abide, alike, amaze, arise, arouse, await

　　68) ab-, abs- (the opposite of, away from, off) abnormal, abrupt, absent, abstract, abuse, abortion

　　2. Suffixes

　　Nouns

　　1) –ant, -ent applicant, component, servant, student

　　2) –er, -or, -ar employer, interviewer, trainer, painter, New Yorker, Northerner, lighter, cooker, conductor, beggar, arbiter, shipper

　　3) –ee absentee, abandonee, employee, interviewee, trainee

　　4) –eer engineer, pioneer

　　5) –an, -ian, -arian historian, humanitarian, librarian, musician, Canadian

　　6) –ese Chinese, Japanese

　　7) –ist artist, Marxist, capitalist, creationist, extremist, futurologist, manicurist, neuroscientist, oncologist, purist

　　8) –ism socialism, capitalism, mechanism, ableism, ageism, individualism, collectivism, creationism, optimism, pessimism, alphabetism

　　9) -ability, -ibility ability, flexibility, availability, capability, mutability

　　10) –age postage, shrinkage, wastage

　　11) –al arrival, refusal, revival

　　12) –ance, -ence appearance, reference

　　13) –ancy, -ency emergency, expectancy, delinquency

　　14) –cy accuracy, bankruptcy

　　15) –dom freedom, kingdom, wisdom

　　16) –ery bravery, cookery

　　17) –ess actress, lioness

　　18) –ette cigarette, novelette, cassette

　　19) –ful handful, spoonful