Indus vs constellation

Indus and constellation both are nouns.

Word	Noun	Adjective	Verb	Adverb
Indus	Yes	No	No	No
constellation	Yes	No	No	No

Indus (noun)	constellation (noun)
an Asian river that rises in Tibet and flows through northern India and then southwest through Kashmir and Pakistan to the Arabian Sea	an arrangement of parts or elements
a faint constellation in the Southern Hemisphere near Telescopium and Tucana	a configuration of stars as seen from the earth