canna vs indian shot

canna and indian shot both are nouns.

Word	Noun	Adjective	Verb	Adverb
canna	Yes	No	No	No
indian shot	Yes	No	No	No

As nouns, indian shot is a hyponym of canna; that is, indian shot is a word with a more specific, narrower meaning than canna:

canna: any plant of the genus Canna having large sheathing leaves and clusters of large showy flowers
indian shot: canna grown especially for its edible rootstock from which arrowroot starch is obtained

Other hyponyms of canna include Canna generalis, canna lily, achira, arrowroot, Canna edulis, Canna indica.

canna (noun)	indian shot (noun)
any plant of the genus Canna having large sheathing leaves and clusters of large showy flowers	canna grown especially for its edible rootstock from which arrowroot starch is obtained