Leaf Spelling Dictionary

coriaceous/Surface and texture

coriaseus is the word written entirely by ear

composedTwo guesses landing in the same word, one at the c and one at the ending.

heard ascoriaseus
spelledcoriaceous
saidko-ree-AY-shus

coriaceous.

Every sound is accounted for and three letters have gone. Set the two side by side and what has been lost is the whole -ceous ending, which is the part that tells a reader this is an adjective of material, in the same family as herbaceous and cretaceous.

Also on this leaf

corriaceous coriaseous coriaceus coreaceous ceriaceous

All six are on the same page. All 6 spellings of coriaceous.