SUFFIXES:

-dairy=dairies
-ability=abilities
-cry=cries
-journey=journies
-liberty=liberties
-dictionary=dictionaries
-worry=worries
-cherry=cherries
-lady=ladies
-supply=supplies
-lazy=lazyness
-penney=pennies

All are correct except these two:

journey = journeys

When a word ends in -ey, we just add an s.

lazy = laziness

For this word, we change the y to an i.

Also note the spelling of penny.