Lonely is an adjective or describing word. Therefore, it doesn't have a plural. See examples; I am lonely You are lonely They are lonely The plural (they) doesn't require a variation on the word lonely.
The plural form of "lonely" is "lonelies."
The correct spelling is "lonely."
The adjective meaning alone or lonesome is spelled "lonely."
The plural of "bridge" is "bridges."
The plural of address is addresses.
The plural of "turkey" is "turkeys."
There is no plural for lonely! There is no plural for lonely because it is an adverb.
The correct spelling is "loneliest" (state of being lonely).
Solo
A portion of what Lenny spells in "Spell It Out" by Lonely Island is "Dude that has sex with pigs for money, but only as a side thing right now."
It is spelled L-O-N-E-L-Y
solitario
The plural way to spell studio is studios.
The plural is resources.
The plural is cantaloupes.
The plural is roses.
The plural is "emeralds."
The plural is cherries.