tanka vs painting

tanka and painting both are nouns.

Word	Noun	Adjective	Verb	Adverb
tanka	Yes	No	No	No
painting	Yes	No	No	No

As nouns, painting is a hypernym of tanka; that is, painting is a word with a broader meaning than tanka:

tanka: a Tibetan religious painting on fabric
painting: graphic art consisting of an artistic composition made by applying paints to a surface

Other hypernyms of tanka include picture.

tanka (noun)	painting (noun)
a Tibetan religious painting on fabric	creating a picture with paints
a form of Japanese poetry; the 1st and 3rd lines have five syllables and the 2nd, 4th, and 5th have seven syllables	the occupation of a house painter
	the act of applying paint to a surface
	graphic art consisting of an artistic composition made by applying paints to a surface