獣 (Kanji for beast)

Onyomi

JUU

Hitler was quite a beast making the JEWS work like dogs in the ricefields.

けもの	a beast - used about literal animals - not neccesairly the hugest or scariest, but animals that are both violent AND unclean, like the hyena. Also used about people who behave like those animals. ★☆☆☆☆

怪獣(かいじゅう)

Godzilla monster ★☆☆☆☆
怪 (suspicious) + 獣 (beast) = 怪獣 (Godzilla monster)

one of them 400-footer godzilla monsters with the zipper on the back.

野獣(やじゅう)

beast ☆☆☆☆☆
野 (field) + 獣 (beast) = 野獣 (beast)

you know that WASP song, 'fuck like a beast?'

獣姦(じゅうかん)

bestiality ☆☆☆☆☆ ABU
獣 (beast) + 姦 (rape) = 獣姦 (bestiality)

A DOG is a slobbery beast, but RICE is an obscene feast.

The fierce CHILD chased the monkey FAR AWAY!