N4 - 世話するせわする
to look after
N3 - 世話せわ
looking after, help, aid, assistance
N3 - 話し合あうはなし合あう
to discuss, to talk together
N2 - 受話器じゅわき
(telephone) receiver
N2 - 話合いはなしあい
discussion, conference
N2 - 話し掛かけるはなし掛かける
to accost a person, to talk (to someone)
N2 - 話中はなしちゅう
while talking, the line is busy
N1 - 対話たいわ
interactive, interaction, conversation, dialogue
N1 - 話し合あいはなし合あい
discussion, conference