constancy
[noun]
Synonyms: attachment, adherence, adhesion, faithfulness, fidelity, loyalty

[TahlilGaran] English Synonym Dictionary ▲

con‧stan‧cy AC /ˈkɒnstənsi $ ˈkɑːn-/ noun [uncountable] formal
[Word Family: noun: constant, constancy; adverb: constantly; adjective: constant]

1. the quality of staying the same even though other things change
constancy of
constancy of temperature

2. loyalty and faithfulness to a particular person Synonym : devotion

[TahlilGaran] Dictionary of Contemporary English ▲