sender

As a proper noun fender

is of (etyl) origin, a variant of fenrich or fendler.

As a noun sender is

broadcaster.

As nouns the difference between gender and sender

is that gender is a division of nouns and pronouns (and sometimes of other parts of speech), such as masculine / feminine / neuter, or animate / inanimate while sender is someone who sends.

As a verb gender

is to assign a gender to (a person); to perceive as having a gender; to address using terms (pronouns, nouns, adjectives...) that express a certain gender.

Sendee is a coordinate term of sender.

As nouns the difference between sender and sendee

is that sender is someone who sends while sendee is a person to whom something is sent.