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If you've been linked to this, you probably made a language mistake and whoever sent this to you cared enough to point it out. The best thing to do is read the details and see where you went wrong.
The first syllable of this word is not pronounced like "zoo". As a matter of fact, that would require three consecutive O's: "zoo-o-lo-gy". The proper prounciation is "zoh-OH-lo-jee" or similar.
The word is sometimes written as "zoölogy" (with a trema [two dots] above the second O) to show that the "oo" is not a single sound.
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