The correct spelling is "friendliest."
The noun form is friendliness (for friendly, friendlier, or friendliest).
There are three morphemes in "friendliest": friend, -ly, -est.
A dog is the most friendliest pet
Friendlier and friendliest, respectively. More and most friendly are also correct, sometimes.
The African country that is the friendliest towards Americans is Liberia.
I guess it is
The comparative form of "friendly" is "friendlier," and the superlative form is "friendliest."
The nation that maintained the friendliest relations with the native Americans was the french.
I was lonelier before I became very friendly .. the friendliest out of ALL my friends !
"Friendliest" has three syllables: friend-li-est.
It lacks a subject. Correction: The coffee shop down the street has the friendliest service.