-ther. See -ter, -ther.
-tor, the agent, as conductor. See -ther, and cf. -or, -our, -er.
-tor-y, -sor-y, noun suffix, denoting place, as dormitory.
-tude forms abstract nouns, as gratitude. [L. -tudo.]
-ty, being or state of being, as dignity; quality, as honesty. [L. -tas, -tatem; O. Fr. -té.]
-ty, ten to be multiplied, as sixty. [A.S. -tig; cog. with Ger. -zig. Cf. -teen.]
-ule, little, dim. [from L. -ulus, -ula, -ulum], as in globule, pustule; also -cule [L. -culus, -cula, -culum], as animalcule, or [through Fr.] -cle, as article. A different Latin suffix -culum, forming substantives from verbs, is represented in the form -cle in several words adopted through French, as miracle, oracle, spectacle.
-um, neuter term., as medium. [L. -um, Gr. -on.]
-uncle, little, dim., as peduncle. [L. -un-cu-lus, A.S. -incle; conn. with -en and -cule, diminutives.]
-ure, noun suffix, denoting act of, as capture; state of being, as verdure.—In leisure and pleasure, -ir has been replaced by -ure, O. Fr. leisir, plaisir. [L. -ura; Fr. -ure.]