Mammoth Uncensored Word List:
41 words ending with cy, 7 letters long

abbotcy animacy ardency cadency cogency decency errancy eustacy fallacy flouncy fluency idiotcy infancy latency lucency mediacy monoecy oomancy oriency patency pliancy pollicy potency prelacy primacy privacy pudency recency regency remercy secrecy sonancy tenancy testacy truancy unfancy unsoncy urgency vacancy valency vivency