Short vowel contrast
Short O vs Short U Minimal Pairs
/ɑ/ and /ʌ/ pronunciation, listening, and reading practice
The common North American short O is lower and farther back than short U. This contrast changes many high-frequency words.
Produce both sounds accurately
What changes in the mouth?
Short O
Open the jaw and keep the tongue low-back.
Short U
Close the jaw slightly and move the tongue toward the center.
Accuracy note: Accent matters for short O, but /ɑ/ and /ʌ/ remain different phonemes in standard North American English.
10 reviewed contrasts
Listen to the minimal pairs
Play both words in a row. First decide whether they sound the same or different; then repeat each word without adding an extra vowel.
Interactive practice
Listen and choose
Hear one word, then select the word you heard. Complete six questions and replay whenever you need to.
Listen carefully, then choose.
Meaning in context
Read both sounds in sentences
1The pup sat on the cot.
2Shut the hot oven.
3The dog dug by the hut.
4Do not cut the sock.
Read once slowly for accuracy, then reread at a natural pace. Ask the learner to point to each target word and explain its meaning.
Deliberate practice
A five-minute teaching routine
Play four words and ask the learner to identify sound A or sound B.
Reveal the pair, say both words, and check the mouth cue above.
Read one sentence and discuss how changing the sound changes the word.
Compare cot and cut. Keep cot open and back; make cut shorter, smaller, and more central.
Offline review
Print this sound contrast lesson
The print view includes the mouth cues, reviewed pairs, accuracy note, sentences, and practice routine.