質問: what is the difference between 野獣 「やじゅう」 and 怪獣 「かいじゅう」 ? what is the difference between 野獣 「やじゅう」 and 怪獣 「かいじゅう」 ?
回答: 野獣 means beast or wild animal, depends on the context. and they should be 'real world creatures'. 怪獣 is monster in english, which is fantasy creatures like the godzilla.