separate sheet of paper, attached paper / enclosure, a document etc. included with a letter

separate room

onefold, single

number one (used in legal documents)

a mother-in-law

Old World flycatcher (a kind of bird)

(collective) people, each person, everybody

(obsolete) one day, 24 hours / (obsolete) the daytime, the period from dawn until dusk

an estranged, unfamiliar person

a (single) pair, couple, brace (male-female pair of animals) / (gagaku, bugaku, dance) a style of performance consisting of pairs of left and right dances