Yes, the word salesman is a noun, a singular, common, compound noun; a word for a person or profession.
The syrup proved beneficial for her cough.
I have invented a new word that is too good to give away so I'm going to offer the word for sale to the highest bidder. "Did you know that the cookie family is having a yard sale?"
The man in the sidewalk was commerce and wanted to know if we were wanted to buy one.
Diane is not democrat nor republican. She isn't affiliated with any political party's.
art
pig out put out
BIG
"at school taking a test"
diamond in the rough
Cut it out!Who cut the cheese?
Worry wart Why worry? No worries!
"Class, turn to page <number here> in your textbook."
not just another pretty faceThat must have cost a pretty penny.sitting pretty
connect the dotsconnecting flightsthere's a disconnect between . . .a failure to connectto connect with someone
grand slam. grand scheme of things. grand total. 1 grand
One common phrase I know using the word house is "a house is a house is a house is a house..."This one is on the house. (meaning free of charge)goin' to the big house (prison)