Plural of conformity; instances of compliance with rules, standards, or patterns; agreement or harmony between things.
From conformity + -ies suffix. Conformity comes from Latin conformitas, and the plural naturally developed for discussing multiple instances or types.
In geology, 'conformities' refer to rock layers that stack neatly one on top of another without gaps—contrasting with 'unconformities' where there's a break, telling geologists about Earth's violent past.
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