glottal catch vs glottal stop

glottal catch and glottal stop both are nouns.

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

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

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

Other synonyms of glottal catch include glottal plosive.

glottal catch (noun)	glottal stop (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