hike vs salary increase

hike and salary increase both are nouns.

Word	Noun	Adjective	Verb	Adverb
hike	Yes	No	Yes	No
salary increase	Yes	No	No	No

As nouns, hike and salary increase are synonyms defined as:

Other synonyms of hike include raise, rise, wage hike, wage increase.

hike (noun)	salary increase (noun)
a long walk usually for exercise or pleasure	the amount a salary is increased
the amount a salary is increased
an increase in cost

hike (verb)	salary increase (verb)
walk a long way, as for pleasure or physical exercise
increase