The pronunciation (klz) has been recorded in various dictionaries since the 1700s including Samuel Johnson’s (1755) and Noah Webster’s (1828). The pronunciation (klthz), while not incorrect, is sometimes considered pedantic. Either pronunciation is acceptable, but (klz) is much more common.
z) has been recorded in various dictionaries since the 1700s including Samuel Johnson’s (1755) and Noah Webster’s (1828). The pronunciation (kl
