The words freak, freq sound the same but have different meanings and spellings. Why do freak, freq sound the same even though they are completely different words?
The answer is simple: freak, freq are homophones of the English language.
a person or animal that is markedly unusual or deformed
someone who is so ardently devoted to something that it resembles an addiction
lose one's nerve
An abbreviation of <em>frequent.</em>
An abbreviation of <internalXref urlencoded="frequentative">frequentative</internalXref>.
Definitions from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved., from Wiktionary, Creative Commons Attribution/Share-Alike License., from The Century Dictionary. and Wordnik.
Homophones (literally "same sound") are usually defined as words that share the same pronunciation, regardless of how they are spelled.