Affinity – A liking, understanding and feeling for someone or something; similarity of characteristics suggesting a relationship between people or things
To remember the definition of the word affinity, use the following mnemonic:
He always wore a fin that fitted him to a T (affinity) but it wasn't until he met someone else with a fitted fin, that he found someone he liked.
Examples of affinity in a sentence
Being a natural born leader, she had a strong affinity with wolves.
It's very important that you share an affinity with your spouse.
He was exceedingly clever and had an affinity with numbers and problem solving.