医学技術士[igakugijutsushi] medical technician
医学士[igakushi] Bachelor of Medicine
一言居士[ichigenkoji] person who is ready to comment on every subject
一士[isshi] private first-class (JSDF)
隠士[inshi] hermit

宇宙飛行士[uchuuhikoushi] astronaut
運転士[untenshi] driver
栄養士[eiyoushi] nutritionist
下士[kashi] noncommissioned officer
下士官[kashikan] non-commissioned officer

関脇[sekiwake] wrestler of the third highest rank
口脇[kuchiwaki] edges of the mouth
小脇[kowaki] under one's arm
脇見[wakimi] looking from the side
両脇[ryouwaki] both sides

脇差し[wakizashi] short sword
脇腹[wakibara] side
脇役[wakiyaku] supporting role (actor)
脇毛[wakige] underarm hair