Many Latin prefixes are essentially ___.

When the final letter of a prefix changes to the first letter of the simple verb, this is called ___.

The change of the letter n to m before p or b is an example of ___.

When a letter of the prefix is completely dropped before the simple verb, this is called ___.

When the vowel a or e of the simple verb is weakened to i in the compound, this is called ___.

Some compound verbs undergo both assimilation and weakening of a vowel.

The purpose of a prefix is to ___.

Some compound verbs take on completely new meanings compared to their simple forms.

There are no Latin verbs that are more often used in their compound forms than their simple forms.

Prefixes can also be attached to ___.

con + mittere = committere is an example of ___.

dē + iacere = dēicere is an example of ___.

ob + tenēre = obtinēre is an example of ___.

ex + facere = efficere is an example of ___.