Perfect Rhymes:
* bleacher (though not usually found in classrooms)
* preacher (not as common in a classroom context)
Near Rhymes:
* feature (a characteristic of the classroom)
* creature (a student might be called a "little creature" jokingly)
* seacher (someone who is searching for something in the classroom)
Words that sound similar but don't rhyme:
* teaches (the verb form of "teacher")
* lecture (a type of lesson)
It's worth noting that rhyming words are often used for playful effect, like in poems or songs. So, choosing the best rhyme depends on the context!