album vs record album

album and record album both are nouns.

Word	Noun	Adjective	Verb	Adverb
album	Yes	No	No	No
record album	Yes	No	No	No

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

album: a book of blank pages with pockets or envelopes; for organizing photographs or stamp collections etc
record album: an album for holding phonograph records

Other hyponyms of album include autograph album, phonograph album, photograph album, scrapbook, stamp album.

As nouns, album and record album are synonyms defined as:

album and record album: one or more recordings issued together; originally released on 12-inch phonograph records (usually with attractive record covers) and later on cassette audiotape and compact disc

album (noun)	record album (noun)
a book of blank pages with pockets or envelopes; for organizing photographs or stamp collections etc	an album for holding phonograph records
one or more recordings issued together; originally released on 12-inch phonograph records (usually with attractive record covers) and later on cassette audiotape and compact disc	one or more recordings issued together; originally released on 12-inch phonograph records (usually with attractive record covers) and later on cassette audiotape and compact disc