Figgiest vs Foggiest - What's the difference?

As adjectives the difference between figgiest and foggiest

is that figgiest is superlative of figgy while foggiest is superlative of foggy.

(head)

(figgy)

(er)

Of or like figs.

This cake has a figgy taste.

(no comparative or superlative ) Containing figs.

We all want some figgy pudding — line from the Christmas song "We Wish You a Merry Christmas"

(head)

(foggy)

Moscow is the foggiest city I've ever been to.

(usually, used in the negative) Very unclear; only slightly known; very difficult to understand or begin.

I don't have the foggiest idea how to get to Piccadilly Circus on the Tube.

She wasn't going to get the foggiest notion about modern writing from those old books.

He asked me where she was going and I said "I don't have the foggiest ."