| noun | the resistance encountered when one body is moved in contact with another |
| noun | representation consisting of a copy (as of an engraving) made by laying paper over something and rubbing it with charcoal |
| noun | effort expended in moving one object over another with pressure |
| verb | move over something with pressure “rub my hands” |
| verb | cause friction “my sweater scratches” |
| verb | scrape or rub as if to relieve itching “Don't scratch your insect bites!” |
| frictional | adjective | pertaining to or worked or produced by friction |
| rub | verb | cause friction |
| rub | noun | the act of rubbing or wiping |
| rubbing | noun | effort expended in moving one object over another with pressure |
| chafe | noun | soreness and warmth caused by friction |
| scratch | noun | an abraded area where the skin is torn or worn off |
| scratcher | noun | a person who scratches to relieve an itch |
| itch | noun | an irritating cutaneous sensation that produces a desire to scratch |