"facilité d'utilisation", "commodité" in French, "handy" in English
To ease :ie to ease ones pain
Here are some sentences.The ease with which he performed the task showed he had done it before.She relaxed and took her ease on the pool deck.
Ease of use.
Ease of use
Is everything easily indicated?
Jesus Ease Us!
Handily means done with ease.
Example sentence - The water in the lake was cold and we would need to ease ourselves into it.
Usability
accessible / convinient
Relief is an ease or removal of pain or distress.
I think you mean Awkward lacking dexterity or skill (as in the use of hands) a lack of expertness lacking ease or grace as in movement or expression. lacking the right proportions, size, or harmony of parts : ungainly