-o(u)r

Morpheme

-o(u)r

Type

suffix

Denotation

Latin abstract noun suffix

Etymology

Latin -or (genitive -ōris)

Evidence

ardor, ardour, clamor, clamour, decor, error, favor, favour, fluor, fluorspar, honor, horror, languor, liquor, odor, pallor, rancor, rancour, rigor, rigour, sapor, splendor, splendour, squalor, stupor, tenor, terror, timorous, torpor, tremor, tumor, valor, vigor

Notes

British English favors -our, American English favors -or

Homographs

Our