Pistia stratoites vs water lettuce

Pistia stratoites and water lettuce both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pistia stratoites	Yes	No	No	No
water lettuce	Yes	No	No	No

As nouns, Pistia stratoites and water lettuce are synonyms defined as:

Pistia stratoites and water lettuce: pantropical floating plant forming a rosette of wedge-shaped leaves; a widespread weed in rivers and lakes

Other synonyms of Pistia stratoites include pistia, Pistia stratiotes, water cabbage.

Pistia stratoites (noun)	water lettuce (noun)
pantropical floating plant forming a rosette of wedge-shaped leaves; a widespread weed in rivers and lakes	pantropical floating plant forming a rosette of wedge-shaped leaves; a widespread weed in rivers and lakes