digitalin vs digitoxin

digitalin and digitoxin both are nouns.

Word	Noun	Adjective	Verb	Adverb
digitalin	Yes	No	No	No
digitoxin	Yes	No	No	No

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

digitalin: a powerful cardiac stimulant obtained from foxglove
digitoxin: digitalis preparation used to treat congestive heart failure or cardiac arrhythmia

Other hyponyms of digitalin include digoxin, Lanoxin.

digitalin (noun)	digitoxin (noun)
a powerful cardiac stimulant obtained from foxglove	digitalis preparation used to treat congestive heart failure or cardiac arrhythmia