As a noun tenderloin is
the tenderest part of a loin of meat, especially of pork or beef.
filletsteak
Not English
Filletsteak has no English definition. It may be misspelled.
tenderloin
Noun
(
en noun)
The tenderest part of a loin of meat, especially of pork or beef
Synonyms
* striploin
* eye fillet (beef)
Hyponyms
* filet mignon (beef)