third-class mail vs junk mail

third-class mail and junk mail both are nouns.

Word	Noun	Adjective	Verb	Adverb
third-class mail	Yes	No	No	No
junk mail	Yes	No	No	No

As nouns, junk mail is a hyponym of third-class mail; that is, junk mail is a word with a more specific, narrower meaning than third-class mail:

third-class mail: mail consisting of printed matter qualifying for reduced postal rates
junk mail: third-class mail consisting of advertising and often addressed to `resident' or `occupant'

third-class mail (noun)	junk mail (noun)
mail consisting of printed matter qualifying for reduced postal rates	third-class mail consisting of advertising and often addressed to `resident' or `occupant'

third-class mail vs junk mail

third-class mail and junk mail both are nouns.

Words related to "third-class mail"

Words related to "junk mail"