phone booth vs telephone booth

phone booth and telephone booth both are nouns.

Word	Noun	Adjective	Verb	Adverb
phone booth	Yes	No	No	No
telephone booth	Yes	No	No	No

As nouns, phone booth and telephone booth are synonyms defined as:

Other synonyms of phone booth include call box, telephone box, telephone kiosk.

phone booth (noun)	telephone booth (noun)
booth for using a telephone	booth for using a telephone