cardiovascular

IPA /ˌkɑrdioʊˈvæskjələr/ Syllables 6 · kar·dee·oh·va·skyuh·ler Stress 4th syllable
kar·dee·oh·VA·skyuh·ler
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Americans pronounce cardiovascular as kar-dee-oh-VA-skyuh-ler (/ˌkɑrdioʊˈvæskjələr/). The T between vowels softens into a quick D-like flap, so it sounds closer to a D than a crisp T. Stress falls on the fourth syllable — keep everything else short and quick.

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Common mistakes

Saying a hard "T" in the middle.

In "cardiovascular", the "t" between vowels sounds like a quick "d" — the tongue briefly taps the ridge behind the upper teeth. /t/ or /d/ becomes a quick tap [ɾ] — sounds like a soft D. The tongue briefly taps the ridge behind the upper teeth.

Stressing the wrong syllable.

Stress falls on the fourth syllable, not the others. Stretch VA — keep everything else short and quick.

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Why it sounds different

Why "cardiovascular" sounds like KAR·dee·oh·VA·skyuh·ler.

In "cardiovascular", the "t" between vowels sounds like a quick "d" — the tongue briefly taps the ridge behind the upper teeth. This is called the Flap T, a small move that separates 'classroom' from 'native'. So instead of kar·tee·oh·VA·skyuh·ler, you get KAR·dee·oh·VA·skyuh·ler.

In real conversation

Hear "cardiovascular" in the wild.

Click any sentence to see the full breakdown — every link, every reduction, every flap-T.

"Swimming laps is a great way to build cardiovascular endurance."
SWIH·muhng LAPS ihz uh GRAYT WAY tuh BIHLD kar·dee·oh·VA·skyuh·ler uhn·DUR·uhns
Same pattern

Words that work the same way.

All of these share phonetic features with this word — same trick.

spehk·TA·kyuh·ler·leespectacularlyvoh·KA·byuh·LEH·reevocabularyspehk·TA·kyuh·lerspectacularEHK·struh·kuh·RIH·kyuh·lerextracurricularA·kyer·uh·seeaccuracyOH·ver·ree·AK·tuhngoverreactingKAL·kyuh·LAY·tuhdcalculatedSUR·kyuh·luh·TOR·eecirculatory
Watch out

Common pronunciation mistakes in American English.

The textbook way isn't wrong — it's just not how anyone actually says it.

01

Saying a hard "T" in the middle.

In "cardiovascular", the "t" between vowels sounds like a quick "d" — the tongue briefly taps the ridge behind the upper teeth. /t/ or /d/ becomes a quick tap [ɾ] — sounds like a soft D. The tongue briefly taps the ridge behind the upper teeth.

kar-tee-oh-VA-skyuh-ler→KAR·dee·oh·VA·skyuh·ler
02

Stressing the wrong syllable.

Stress falls on the fourth syllable, not the others. Stretch VA — keep everything else short and quick.

KAR·DEE·OH·va·SKYUH·LER→KAR·dee·oh·VA·skyuh·ler
03

Pronouncing the unstressed syllable too fully.

Don't pronounce the fourth syllable too fully. The unstressed syllable reduces to a schwa — the lazy "uh" sound — in casual speech.

kar·dee·oh·VA·SKYUH·ler→KAR·dee·oh·VA·skyuh·ler
04

Pronouncing the "R" too clearly.

Americans use a relaxed retroflex R — the tongue curls back rather than rolling. The R is one continuous sound with the vowel before it, not two separate sounds.

… (no R)→… r (curl the tongue)
Questions

Questions people ask about this.

How is "cardiovascular" stressed in American English?
Stress falls on the fourth syllable — say "VA" with a longer, fuller vowel and keep every other syllable short and quick. The respell "kar-dee-oh-VA-skyuh-ler" marks the stressed syllable in capitals so the rhythm is easy to read at a glance.
Why doesn't the T sound like a T in "cardiovascular"?
In American English, when /t/ sits between two vowels with the second one unstressed, it turns into a quick D-like flap. So "cardiovascular" sounds closer to "kar-dee-oh-VA-skyuh-ler" than to a crisp-T pronunciation. This is the flap-T rule, one of the most distinctive sounds of casual American speech.
Why does the fifth syllable in "cardiovascular" reduce to "uh"?
Unstressed syllables in American English collapse toward a schwa — a lazy, neutral "uh" sound. The full vowel is what textbooks teach, but in actual American speech every unstressed vowel reduces. The respell "kar-dee-oh-VA-skyuh-ler" shows the reduced form so you can hear the casual rhythm directly.
How do I pronounce the R in "cardiovascular"?
Americans use a relaxed retroflex R: the tongue curls back rather than rolling, and the R is one continuous sound with the vowel before it — not two separate sounds. Don't try to pronounce a separate vowel followed by a separate R. Treat them as a single shape.

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