初

はつ うい うぶ

innocent, naive, unsophisticated, inexperienced, green, wet behind the ears

速

そく

gear, speed (as in 4 speed automatic transmission and such)

初歩の初歩

しょほのしょほ

absolute basics; very rudiments

初編

しょへん

volume one, first volume

初婚

しょこん

first marriage

初会

しょかい

meeting for the first time, first meeting

初旬

しょじゅん

first 10 days of the month

初回

しょかい

first time, first innings, initial attempt

初湯

はつゆ

first bath of the New Year

初盆

はつぼん

first obon following the death of a family member

初物

はつもの

first of the season (e.g. produce, catch)

初子

はつね ういご はつご

first child

初荷

はつに

first cargo of the year

初出

しょしゅつ

first appearance

初年

しょねん

first year, early years (of a reign or era)

初姿

はつすがた

first wearing (of kimono) in the New Year

初陣

ういじん

first campaign, one's first battle

初値

はつね

first quotation for a stock at the first exchange meeting of the New Year

初号

しょごう

first number (e.g. issue of a magazine)