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.
Well, I think you mean LONELY.
The plural is bridges.
The plural of "turkey" is "turkeys."
The plural of address is addresses.
The adjective meaning alone or lonesome is spelled "lonely."
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."
The plural way to spell studio is studios.
The plural is hooves.
The plural is cherries.
The plural is cantaloupes.
The plural is resources.
The plural is roses.
The plural is "emeralds."
It is spelled L-O-N-E-L-Y