は
Particle, pronounced わ in modern Japanese
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
昨日, きのう, さくじつ
Adverb
yesterday
昨日彼がぶらっと立ち寄った。
機能, きのう
Takes suru, Intransitive
function, facility, faculty, feature
その機能は働かなくなるだろう。
気嚢, 気のう, きのう
1. air sac (birds, insects, etc.)
2. gasbag (airship), envelope
帰納, きのう
Takes suru, Transitive
induction, inductive reasoning
帰農, きのう
Takes suru, Intransitive
take up farming again