Sound contrast · Mexican Spanish; starter contrasts also occur widely elsewhere

Spanish /o/ vs /u//o/ versus /u/

Conditional priority: screen the mid/high distinction for learners whose L1 or observed errors warrant it. Do not infer difficulty from nationality or assign this lesson automatically to all learners.

Practice these sounds
/o/

A close-mid, rounded vowel

A rounded vowel made toward the back of the mouth.

As incosa
/u/

A back, rounded vowel

The tongue is high and farther back, with rounded lips.

As insuma

WHAT TO LISTEN FOR

A small change.
A different word.

Conditional priority: screen the mid/high distinction for learners whose L1 or observed errors warrant it. Do not infer difficulty from nationality or assign this lesson automatically to all learners.

Listen for the target sound in each word.

Sound examples

Tap to hear each word
cosa
/ˈkosa/thing
sopa
/ˈsopa/soup
copa
/ˈkopa/drinking glass
ropa
/ˈropa/clothes
polo
/ˈpolo/pole, such as a magnetic pole
tomo
/ˈtomo/volume of a book
mono
/ˈmono/monkey
suma
/ˈsuma/sum
cuna
/ˈkuna/cradle
luna
/ˈluna/moon
ruta
/ˈruta/route
puro
/ˈpuɾo/pure, masculine adjective
tubo
/ˈtubo/tube
cubo
/ˈkubo/bucket

14 words. Words stay hidden during practice unless you choose to reveal them.

Now, let your ears decide.

Can you hear the difference? Listen to two examples, then decide which sound you hear in a new word. Get feedback after every answer.

Practice these sounds

Keep the sound. Change the word.

Conditional priority: screen the mid/high distinction for learners whose L1 or observed errors warrant it. Do not infer difficulty from nationality or assign this lesson automatically to all learners.

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