coverlet vs bedcover

coverlet and bedcover both are nouns.

Word	Noun	Adjective	Verb	Adverb
coverlet	Yes	No	No	No
bedcover	Yes	No	No	No

As nouns, bedcover is a hypernym of coverlet; that is, bedcover is a word with a broader meaning than coverlet:

Other hypernyms of coverlet include bed cover, bed covering, bedspread, counterpane, spread.

coverlet (noun)	bedcover (noun)
a decorative bedspread (usually quilted)	decorative cover for a bed