glottal stop vs glottal catch

glottal stop and glottal catch both are nouns.

Word	Noun	Adjective	Verb	Adverb
glottal stop	Yes	No	No	No
glottal catch	Yes	No	No	No

As nouns, glottal stop and glottal catch are synonyms defined as:

glottal stop and glottal catch: a stop consonant articulated by releasing pressure at the glottis; as in the sudden onset of a vowel

Other synonyms of glottal stop include glottal plosive.

glottal stop (noun)	glottal catch (noun)
a stop consonant articulated by releasing pressure at the glottis; as in the sudden onset of a vowel	a stop consonant articulated by releasing pressure at the glottis; as in the sudden onset of a vowel