sol (alone)

alone, only

Spelled sol · solus 'alone, only'

Latin solus means alone: a solitary walker travels solo, while a soliloquy lets one character speak alone.

Words built from it

sole — being the only one
Old French sol (alone), from Latin solus (alone, only)
solo — a performance by one person
Italian solo (alone), from Latin solus (alone)
solitary — alone or without companions
Latin solitarius (alone), from solitas (loneliness), from solus (alone)
solitude — the state of being alone
Latin solitudo (being alone), from solus (alone) + -tudo (state)
soliloquy — a speech in which a character speaks thoughts aloud while alone
Latin soliloquium, from solus (alone) + loqui (speak)
desolate — deserted and empty, or deeply lonely
Latin desolatus, from desolare: de- (completely) + solare (leave alone), from solus (alone)

solstice — From Latin sol (sun) + sistere (stand still). Its sol means sun, not alone.