一匹[ippiki] one animal (small)
数匹[suuhiki] several animals
馬匹[bahitsu] horses
匹敵[hitteki] comparing with
匹夫[hippu] (humble) man

匹夫の勇[hippunoyuu] rash courage
匹夫匹婦[hippuhippu] coarse men and women
匹婦[hippu] coarse woman
匹儔[hicchuu] equal

偉丈夫[ijoufu] great man
一妻多夫[issaitafu] polyandry
一夫一婦[ippuippu] monogamy
一夫多妻[ipputasai] polygamy
駅夫[ekifu] railway employee (porter)

鰥夫[yamoo] widower
火夫[kafu] fireman
姦夫[kanpu] adulterer
旧夫[kyuufu] former husband
漁夫[gyofu] fisherman