As nouns the difference between lanyard and tanyard
is that lanyard is (nautical) a short rope used for fastening rigging while tanyard is an open-air tannery.
lanyard
English
Noun
(
en noun)
(nautical) A short rope used for fastening rigging.
A cord used to hold a small object such as a key, whistle, card, or knife, worn around the neck or wrist: a form of necklace or wristband.
A cord with a hook; once used to fire artillery.