二等空士

にとうくうし

airman third class (JASDF)

二等陸士

にとうりくし

private (JGSDF); private second class

二四六九士

にしむくさむらい

mnemonic for remembering the months with fewer than 31 days (ni, shi, mu, ku, etc.)

二等航海士

にとうこうかいし

second mate, second officer

二級建築士

にきゅうけんちくし

registered architect with a second-class license

士

し

man (esp. one who is well-respected)

武士に二言なし

ぶしににごんなし

a samurai never goes back on his word

武士に二言はない

ぶしににごんはない

a samurai never goes back on his word

第二東京弁護士会

だいにとうきょうべんごしかい

Daini Tokyo Bar Association

一富士二鷹三茄子

いちふじにたかさんなすび

best is Fuji, second is a hawk, third is an eggplant (of auspicious things to see in a dream, esp. one's first dream of the year)

衛士

えじ えいし

soldiers of the ritsuryo system that guarded gates of the imperial palace, the court, etc.

士官

しかん

officer

士女

しじょ しおんな

men and women, the whole town

郷士

ごうし

country samurai

士魂

しこん

manly spirit, soul of a samurai

士分

しぶん

status of samurai

士卒

しそつ

officers and soldiers, soldiers

学士

がくし

university graduate, bachelor

文士

ぶんし

man of letters, literary man