Plural of assiduity; multiple instances or examples of diligent, careful, and constant attention or effort.
From assiduity + -es plural suffix. Assiduity comes from Latin assiduitas, from assiduus (diligent, from sitting constantly at work).
Using the plural 'assiduities' suggests multiple different kinds of careful attention—like 'the assiduities of scholarship, medicine, and art'—each its own special form of dedication.
Complete word intelligence in one call. Free tier — 50 lookups/day.