tick vs ticktock

tick and ticktock both are nouns.

Word	Noun	Adjective	Verb	Adverb
tick	Yes	No	Yes	No
ticktock	Yes	No	Yes	No

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

Other hyponyms of tick include tictac, tocktact.

As verbs, tick and ticktock are synonyms defined as:

Other synonyms of tick include beat, ticktack.

tick (noun)	ticktock (noun)
any of two families of small parasitic arachnids with barbed proboscis; feed on blood of warm-blooded animals	steady recurrent ticking sound as made by a clock
a light mattress
a mark indicating that something has been noted or completed etc.
a metallic tapping sound

tick (verb)	ticktock (verb)
put a check mark on or near or next to	make a sound like a clock or a timer
sew
make a clicking or ticking sound
make a sound like a clock or a timer