big + est
YES DOUBLE - biggest
small + est
NO DOUBLE - smallest
grin + ed
YES DOUBLE - grinned
sad + ness
NO DOUBLE - sadness
laugh + ed
NO DOUBLE - laughed
pant + ed
NO DOUBLE = panted
slug + ish
DOUBLE - sluggish
stub + ed
DOUBLE - stubbed
fat + y
YES DOUBLE - fatty
mop + ed
DOUBLE - mopped
clean + ed
NO DOUBLE - cleaned
stud + ed
doubling - studded
fool + ish
NO DOUBLE - foolish
throb + ing
Double - throbbing
hard + er
NO - harder
fun + y
doubling - funny
