There are homophones (sound-alike words), at least in some pronunciations :
COZEN (verb) - to deceive, mislead, or cheat
COUSIN (noun) - a relative, notably children of your aunts and uncles
Michelle Cozens is 5' 6".
Keith Cozens was born in 1957.
Alexander Cozens died in 1786.
Barbara Cozens was born in 1906.
Barbara Cozens died in 1995.
Ernest Cozens died in 1929.
Ernest Cozens was born in 1888.
Chris Cozens was born in 1982.
The correct spelling of the plural noun is "cousins" (specifically first cousins, children of your parents' brothers and sisters).
David Cozens has written: 'Huntingdonshire'
Peter Cozens died on March 19, 1968.
John Cozens was born on 1946-05-14.