ends in 'iest' = earliest (root word: early) ends in 'ier' = trickier (root word: tricky)
Some words fall into the "ier" category because they are comparative forms of adjectives, indicating a higher degree of a quality. For example, "prettier" is the comparative form of "pretty," indicating that something is more pretty than something else.
Engineer, cashier, barrier, premier.
Some words with the suffix -ier are happier, stickier, and prettier.
Vaucochard et fils Ier was created in 1864.
Georges Ier de Bade was born in 1433.
Georges Ier de Bade died in 1484.
A ten letter word ending in 'ier' is Chandelier.
it means something around more
tier
they have the same suffixes; ier
it means something around more