All russian adjectives

one-voice

one-day

monocotyledonous

monoecious

single-loading

monotonous

of the same calibre

one-flat

unicellular

single-bucket

single-track

one-horse

solidungulate

single-hull

single/one time

one-year

of one colour

single-masted

single-seat(ed)

single-engine

one-legged

unicameral

one-decked

having only one finger

of the same tribe

unisexual

unipolar

single-track

one-horned

one-armed

lean-to

monosyllabic

single-barrelled

univalve

one-volume

one-eared

single-phase

one-colour

single-cylinder

monomial

of one colour

dazed

ogival

perplexed puzzled (adj)

brutal

embittered

oceanic

oceanological

oxidizing

circumterrestrial