-ous, like -ose: ambitious, arduous, assiduous, bulbous, furious, piteous, poisonous, omnivorous, riotous.
-und, inclined to, possessing: jocund, moribund, rotund, rubicund.
Verb Suffixes.—These are few:—
-ate, originally past participle suffix, as am-āt-us, loved: celebrate, donate, eradicate, perforate, vaccinate.
-fy, make: beautify, fructify, modify, notify, revivify.
-ish, make, do: admonish, cherish, establish, finish, relish.
Greek Suffixes.
Although not numerous, Greek suffixes are important in English word-making. They are used principally in making nouns.
Nouns:—
-asm, quality, that which: enthusiasm, sarcasm (= flesh-tearing).