chiefly
101clamour — chiefly British variant of clamor …
102clangour — chiefly British variant of clangor …
103collectivise — chiefly British variant of collectivize …
104colour — chiefly British variant of color …
105computerise — chiefly British variant of computerize …
106connexion — chiefly British variant of connection …
107cypher — chiefly British variant of cipher …
108defence — chiefly British variant of defense …
109defenceman — chiefly British variant of defenseman …
110despatch — chiefly British variant of dispatch …