Dieffenbachia sequine vs dumb cane

Dieffenbachia sequine and dumb cane both are nouns.

Word	Noun	Adjective	Verb	Adverb
Dieffenbachia sequine	Yes	No	No	No
dumb cane	Yes	No	No	No

As nouns, Dieffenbachia sequine and dumb cane are synonyms defined as:

Dieffenbachia sequine and dumb cane: an evergreen plant with large showy dark green leaves; contains a poison that swells the tongue and throat hence the name

Other synonyms of Dieffenbachia sequine include mother-in-law's tongue, mother-in-law plant.

Dieffenbachia sequine (noun)	dumb cane (noun)
an evergreen plant with large showy dark green leaves; contains a poison that swells the tongue and throat hence the name	an evergreen plant with large showy dark green leaves; contains a poison that swells the tongue and throat hence the name