有

1. noun existence
2. noun, prefix possession; having
3. noun, abbreviation, in company names; written as (有) limited company

あり also 在り · 有り

1. takes の, noun, usually in kana existing (at the present moment)
2. na-adjective, noun, colloquial, usually in kana alright; acceptable; passable
3. irregular ru verb, plain form ends with -ri, intransitive, usually in kana, formal to be (usu. of inanimate objects); to have

う

1. noun, Buddhism bhava (becoming, existence)