boil vs boiler

boil and boiler both are nouns.

Word	Noun	Adjective	Verb	Adverb
boil	Yes	No	Yes	No
boiler	Yes	No	No	No

boil (noun)	boiler (noun)
the temperature at which a liquid boils at sea level	sealed vessel where water is converted to steam
a painful sore with a hard core filled with pus	a metal pot for stewing or boiling; usually has a lid

boil (verb)	boiler (verb)
immerse or be immersed in a boiling liquid, often for cooking purposes
come to the boiling point and change from a liquid to vapor
bring to, or maintain at, the boiling point
be in an agitated emotional state
be agitated