wick vs candlewick

wick and candlewick both are nouns.

Word	Noun	Adjective	Verb	Adverb
wick	Yes	No	No	No
candlewick	Yes	No	No	No

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

wick: a loosely woven cord (in a candle or oil lamp) that draws fuel by capillary action up into the flame
candlewick: the wick of a candle

wick (noun)	candlewick (noun)
a loosely woven cord (in a candle or oil lamp) that draws fuel by capillary action up into the flame	the wick of a candle
any piece of cord that conveys liquid by capillary action	loops of soft yarn are cut to give a tufted pattern