19 加える
To Add

Meaning

To Add

To Include

transitive verb, ichidan verb

くわえる

- 加える（くわえる） To Add, To Include
- 加わる（くわわる） To Be Added To, To Join In
- 足す（たす） To Add Something
- 加える（くわえる） To Add, To Include
- 加える（くわえる） To Add, To Include
- 含む（ふくむ） To Include, To Contain
- 加える（くわえる） To Add, To Include
- 企てる（くわだてる） To Plan, To Scheme, To Attempt
- 貯える（たくわえる） To Save, To Save Up, To Set Aside
- 蓄える（たくわえる） To Store Up, To Amass, To Build Up

足す is used for adding numbers and things. 加える seems to only be used for adding things.