silverfish vs Lepisma saccharina

silverfish and Lepisma saccharina both are nouns.

Word	Noun	Adjective	Verb	Adverb
silverfish	Yes	No	No	No
Lepisma saccharina	Yes	No	No	No

As nouns, silverfish and Lepisma saccharina are synonyms defined as:

silverfish and Lepisma saccharina: silver-grey wingless insect found in houses feeding on book bindings and starched clothing

silverfish (noun)	Lepisma saccharina (noun)
a silvery variety of Carassius auratus	silver-grey wingless insect found in houses feeding on book bindings and starched clothing
silver-grey wingless insect found in houses feeding on book bindings and starched clothing