Words ending in -el, -al, and -il Crossword

You must sit on this to ride a horse
Another name for a book
Cowboys round up this
My brother made a _______________ airplane
The fair will be ______________ if it rains on Sunday.
My teacher told the class not to say a _______________ word when walking down the hall.
In math we learned about a 90 degree ______________ which looks like the letter L.
Bones of animals that lived long ago are called _________________.
Antonym for good is ________________.
He hit his head on the ______________ desk, but I thought the desk was made of wood.
Synonym for sum
If the desk is uneven , then you need to make sure it is ________________.
Chapter 20 is the _____________ chapter in the Whipping Boy book.
Two people who are together are called this