Completar frases -ancy and -ency wordsVersión en línea Set 6 Spellings Year 6: -ancy and -ency words por Jonny Bongoes 1 potency tendency decency currency efficiency emergency hesitancy frequency infancy agency In its , an animal relies on its parent / s . Before a sky dive , most people feel . An estate sells houses . In an you should dial 999 . The British is pounds sterling . Newer car engines have better than older ones . Each radio station has its own , like 104 . 9 XFM . The weather has a to be warmer in summer . If you do wrong , you should have the to say sorry . The of a medicine means how strong it is .