Noun

• S: (n) hang-up, hitch, rub, snag (an unforeseen obstacle)
• S: (n) rub, wipe (the act of rubbing or wiping) "he gave the hood a quick rub"

Verb

• (19)S: (v) rub (move over something with pressure) "rub my hands"; "rub oil into her skin"
• (1)S: (v) rub, fray, fret, chafe, scratch (cause friction) "my sweater scratches"
• S: (v) rub, scratch, itch (scrape or rub as if to relieve itching) "Don't scratch your insect bites!"
• direct hypernym / inherited hypernym / sister term
• derivationally related form
• sentence frame