Adjective - ant Noun - ance Adjective - ent Noun - ence
abundant abundance absent absence
acquaint aquaintance confident confidence
arrogant arrogance convenient convenience
assistant assistance different difference
brilliant brilliance evident evidence
defiant defiance frequent frequence
distant distance intelligent intelligence
elegant elegance magnificent magnificence
extravagant extravagance patient patience
ignorant ignorance present presence
important importance resident residence
instant instance silent silence
resistant resistance violent violence