writing table vs desk

writing table and desk both are nouns.

Word	Noun	Adjective	Verb	Adverb
writing table	Yes	No	No	No
desk	Yes	No	No	No

As nouns, desk is a hypernym of writing table; that is, desk is a word with a broader meaning than writing table:

writing table: a desk used for writing
desk: a piece of furniture with a writing surface and usually drawers or other compartments

writing table (noun)	desk (noun)
a desk used for writing	a piece of furniture with a writing surface and usually drawers or other compartments