tour vs tourer

tour and tourer both are nouns.

Word	Noun	Adjective	Verb	Adverb
tour	Yes	No	Yes	No
tourer	Yes	No	No	No

tour (noun)	tourer (noun)
a journey or route all the way around a particular place or area	large open car seating four with folding top
a time period for working (after which you will be relieved by someone else)	someone who travels for pleasure
a period of time spent in military service

tour (verb)	tourer (verb)
make a tour of a certain place