нужно составить по 8 слов с каждым окончанием
-tion, -sion, -er, -or, -ment, -ity, -ist, -ance, -ence, -ing

-tion: motion, action, emotion, traction, absolution, motivation, nation, function
-sion: invasion, illusion, confusion, intermission, division, obsession, inversion, remission
-er: painter, acer, boxer, peer, joker, fever, risen, power
-or: amor, factor, raptor, terror, senior, violator, operator, predator
-ment: lament, document, monument, movement, pavement, alignment, torment, sacrament
-ity: city, unity, purity, clarity, dignity, gravity, quality, mobility.
-ist: gist, assist, egoist, resist, sadist, atheist, coexist, monotheist
-ance: chance, balance, advance, bromance, defiance, substance, vengeance
-ence: science, silence, evidence, presence, innocence, insolence, reverence, enhance
-ing: king, ming, ping, ring, song, bring, ring, amazing