Filtrum
Part of speech: noun
Definition:
Philtrum
Part of speech: noun
Definition: The shallow groove running down the center of the outer surface of the upper lip.
Filtrum as a noun is
Part of speech: noun
Definition:
Part of speech: noun
Definition: The shallow groove running down the center of the outer surface of the upper lip.
We hope you now know whether to use Filtrum or Philtrum in your sentence.