Here's why:
* Short vowel sound: The vowel "o" in "stop" makes a short sound, like the "o" in "hot" or "top".
* Long vowel sound: A long vowel sound is typically represented by a vowel followed by a silent "e" (like in "hope" or "bike"), or a vowel followed by a consonant and then a silent "e" (like in "gate" or "kite").
Therefore, "stop" has a short vowel sound, not a long vowel sound.