All russian words

one-horse

solidungulate

single-hull

single/one time

children of the same age

one-year

of one colour

single-masted

single-seat(ed)

single-engine

one-legged

monotony

unicameral

one-decked

having only one finger

of the same tribe

unisexual

unipolar

single-track

one-horned

homogeneity

one-armed

fellow-villager

lean-to

monosyllabism

monosyllabic

single-barrelled

univalve

uniformity

one-volume edition

one-volume

one-eared

single-phase

person bearing the same surname

one-colour

single-cylinder

monomial

monomial

of one colour

lend

be obliged

domestication

domesticate

odontology

bed

decrepitude

make a fool

dazed

stupefaction

stupefy