N3 - 途端とたん
just (now, at the moment, etc.)
N2 - 中途ちゅうと
in the middle, half-way
N2 - 用途ようと
use, usefulness
N1 - 前途ぜんと
future prospects, outlook, the journey ahead
N1 - 途中とちゅう
on the way, en route
N1 - 途上とじょう
en route, half way
N1 - 途絶えるとだえる
to stop, to cease, to come to an end