a raccoon (nocturnal omnivore living in North America, Procyon lotor)

nocturnality

to travel by night

Clipping of 百鬼夜行 (hyakki yagyō).

travelling by night / Clipping of 夜行列車 (yakō ressha).

sex, gender / (grammar) gender

to wash

bear

a bear (large mammal of family Ursidae) / (slang) hairiness in general; (more specifically) a bear, an otter (a hairy man, especially one who is gay)

prefixed to other nouns for animals or plants to indicate large size or great strength, relative to other varieties