Homonyms

A homonym is defined as one of two or more words that have the same sound and often the same spelling but differ in meaning, such as too (also) and two (the number).  For example: 

affect - effect

affect - verb -> to change or influence something or someone
affect - She wanted to affect the students in a way they'd never forget.

effect - noun -> the result of a change or influence
The effect of the performance was stunning.

allowed - aloud

allowed - past tense of the verb 'to allow' -> to permit
His mother allowed him to stay up late on Saturday.

aloud - adverb -> using the voice, not silently
She read the story aloud.

ate - eight

ate - verb -> past tense of the verb 'to eat'
She ate a quick lunch and returned to work.

eight - number -> the number 8
I bought eight tickets to the concert.

ball - bawl 

ball - noun -> a round object used in games and sports
He took a ball to the beach to play with the children.

bawl - verb -> to cry (usually very hard)
Please don't bawl! It's not that bad.

bear - bare

bear - verb -> to stand something
He can't bear exams.

bare - adjective -> naked, without clothing
He stood outside in the rain completely bare.

base - bass

base - noun -> the bottom support of something
I think we need a new base for that lamp.

bass - noun -> the lowest pitches in music, singer of the lowest pitches
I sang bass in the church choir.

billed - build

billed - verb -> past tense of the verb 'to bill'
She billed the clients for $4,000.

build - verb -> to construct
They build houses in Portland, Oregon.

more....  ->   http://ari-myworkmylife.blogspot.com/2011/12/homonyms.html