aldose vs aldotetrose

aldose and aldotetrose both are nouns.

Word	Noun	Adjective	Verb	Adverb
aldose	Yes	No	No	No
aldotetrose	Yes	No	No	No

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

aldose: a monosaccharide sugar that contains the aldehyde group or is hemiacetal
aldotetrose: A four-carbon aldose; for example, threose, erythrose.

Other hyponyms of aldose include aldohexose, aldotriose.

aldose (noun)	aldotetrose (noun)
a monosaccharide sugar that contains the aldehyde group or is hemiacetal	A four-carbon aldose; for example, threose, erythrose.