isola

salum (Latin)

(figuratively) sea of thought, anxiety, agitation or trouble. (figuratively) the colour of the sea. (figuratively, of a river) stream, current. The (open or high) sea, main, deep, ocean. The sea in motion; waves, billow.

insula (Latin)

Island. Residential or apartment block (usually for the lower class).

*isula (Late Latin)

isola (Italian)

Island, isle.