加入 かにゅう joining (a club, organization, etc.); becoming a member; entry; admission; subscription; affiliation; signing (e.g. a treaty); taking out (insurance) n vs Intermediate II ➥
さ入れ言葉 さいれことば サいれことば sa-added word (i.e. causative forms with an extra 'sa' like 'ikasaseru') n ling Advanced ➥