asiduitate Noun, f, asiduitate

1. assiduity

Appox. usage (any sense): 0.03 per million words

stăruință Noun, f, stăruință

1. diligence, perseverance
2. steadfastness, steadiness, constancy
3. patience
4. insistence
5. assiduity
6. industry

Appox. usage (any sense): less than 0.1 per million words