The difference between isle and island is: different references, different usages, and different emphasis
1. Different references
1. Isle: isolated island.
2. island: island.
2. Different usages
1. Isle: isle is mainly used in poetry or proper nouns, third person singular, isles, plural, isles, present participle, isling past tense, isled.
2. Island: The common word island refers to a general island, that is, land surrounded by water in the sea and smaller than the mainland, or land surrounded by water in rivers and lakes.
3. Different emphases
1. Isle: focuses on the island in the poem and in the name.
2. Island: Focus on islands in daily life.