Unit 18 Spelling Review
abandon
ancestor
companion
comparison
hospital
identical
interior
logical
metropolitan
multiple
sponsor
vertical
cemetery
competition
episode
finally
ingredients
invitation
medicine
opinion
popular
probably
Saturday
substitute
treasure
asteroid
astronomer
astronomy
disaster
geology
microbe
microscope
mythology
apprentice
improvise
notice
organize
paradise
sacrifice
supervise
sympathize
everyone
field trip
homemade
roommate
runner-up
someone
sometimes
stomachache
twenty-one