mounter vs climber

mounter and climber both are nouns.

Word	Noun	Adjective	Verb	Adverb
mounter	Yes	No	No	No
climber	Yes	No	No	No

As nouns, mounter and climber are synonyms defined as:

mounter (noun)	climber (noun)
someone who ascends on foot	an iron spike attached to the shoe to prevent slipping on ice when walking or climbing
a skilled worker who mounts pictures or jewels etc.	someone who climbs as a sport; especially someone who climbs mountains
	someone seeking social prominence by obsequious behavior
	someone who ascends on foot
	a vine or climbing plant that readily grows up a support or over other plants