tramper vs hiker

tramper and hiker both are nouns.

Word	Noun	Adjective	Verb	Adverb
tramper	Yes	No	No	No
hiker	Yes	No	No	No

As nouns, tramper and hiker are synonyms defined as:

tramper and hiker: a foot traveler; someone who goes on an extended walk (for pleasure)

Other synonyms of tramper include tramp.

tramper (noun)	hiker (noun)
someone who walks with a heavy noisy gait or who stamps on the ground	a foot traveler; someone who goes on an extended walk (for pleasure)
a foot traveler; someone who goes on an extended walk (for pleasure)