time interval vs interval

time interval and interval both are nouns.

Word	Noun	Adjective	Verb	Adverb
time interval	Yes	No	No	No
interval	Yes	No	No	No

As nouns, time interval and interval are synonyms defined as:

time interval and interval: a definite length of time marked off by two instants

time interval (noun)	interval (noun)
a definite length of time marked off by two instants	the distance between things
	a set containing all points (or all real numbers) between two given endpoints
	the difference in pitch between two notes
	a definite length of time marked off by two instants