Bookworm is a synonym of bookhound.
As nouns the difference between bookworm and bookhound
is that bookworm is any of various insects that infest books while bookhound is an enthusiastic reader of books.
bookworm
English
Noun
(
en noun)
Any of various insects that infest books.
An avid book reader.
See also
* (avid reader) bibliophile
bookhound
English
Noun
(
en noun)
An enthusiastic reader of books.
Synonyms
* bibliophile
* bookworm