cube vs tesseract

cube and tesseract both are nouns.

Word	Noun	Adjective	Verb	Adverb
cube	Yes	No	Yes	No
tesseract	Yes	No	No	No

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

Other hyponyms of cube include quadrate.

cube (noun)	tesseract (noun)
a block in the (approximate) shape of a cube	the four-dimensional analogue of a cube
any of several tropical American woody plants of the genus Lonchocarpus whose roots are used locally as a fish poison and commercially as a source of rotenone
the product of three equal terms
a hexahedron with six equal squares as faces
a three-dimensional shape with six square or rectangular sides

cube (verb)	tesseract (verb)
raise to the third power
cut into cubes