Alliterate means to arrange words with a repeating initial consonant sound.
- Most tongue-twisters in Modern English alliterate. (Peter Piper picked a peck of pickled peppers.)
Illiterate refers to the inability to read or write or the lack of knowledge in a certain subject.
- Sadly, 20 percent of their state’s adults are illiterate.
- Some of the students were computer illiterate.