increase vs up-tick

increase and up-tick both are nouns.

Word	Noun	Adjective	Verb	Adverb
increase	Yes	No	Yes	No
up-tick	Yes	No	No	No

As nouns, up-tick is a hyponym of increase; that is, up-tick is a word with a more specific, narrower meaning than increase:

increase (noun)	up-tick (noun)
the act of increasing something	a small increase
the amount by which something increases
a change resulting in an increase
a process of becoming larger or longer or more numerous or more important
a quantity that is added

increase (verb)	up-tick (verb)
become bigger or greater in amount
make bigger or more