r/r/
Curl or bunch your tongue without letting the tip touch the roof of your mouth. Brace the sides of your tongue against your upper back teeth, and round your lips slightly.
How to pronounce relativity in American English
reh·luh·TIH·vuh·tee
Start here
Americans pronounce relativity as reh-luh-TIH-vuh-tee (/ˌrɛləˈtɪvəɾi/). In "relativity", 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, the kind of sound shift that makes everyday speech feel effortless. It comes out as REH·luh·TIH·vuh·tee. Stress falls on the third syllable — keep everything else short and quick. You'll hear it in sentences like "The theory of relativity changed our understanding of time and space".
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Sound by sound
Every sound in "relativity".
5 syllables, 10 sounds. Tap a syllable to jump to its row, then explore each sound's mouth shape and how it's made.
eh/ɛ/
Drop your jaw moderately. Touch the tongue tip behind the bottom front teeth and lift the mid-front part slightly toward the roof.
l/l/
Place the tip of your tongue against the alveolar ridge just behind your top front teeth, the same contact point as /t/, /d/, and /n/. The difference is what happens to the air: for /l/, you let it flow continuously around the <em>sides</em> of the tongue (that's why /l/ is called a lateral). Turn your voice on the whole time. Lips stay relaxed, no rounding or flaring. For the Dark L variant at the end of a syllable, also pull the back of the tongue up and back toward the soft palate.
uh/ʌ/
Relax your lips, jaw, and tongue completely. Drop your jaw slightly and keep the tongue neutral.
t/t/
Touch the tip or front edge of your tongue to the roof of your mouth just behind your teeth. Keep your jaw relaxed. Stop the air, then release with a puff.
ih/ɪ/
Drop your jaw slightly with relaxed lips. Touch the tongue tip behind the bottom front teeth and arch the top-front toward the roof.
v/v/
Lift your bottom lip so its inner edge (where the wet part meets the dry part) touches the very bottom of your top front teeth. Add vocal cord vibration as you blow air through.
uh/ʌ/
Relax your lips, jaw, and tongue completely. Drop your jaw slightly and keep the tongue neutral.
t/t/
FlapQuickly bounce the front of your tongue against the roof of your mouth. Don't stop the airflow — just a quick tap.
ee/i/
Pull the corners of your lips back slightly. Arch the middle-front of your tongue high toward the roof of the mouth.
In real conversation
Hear "relativity" in the wild.
Click any sentence to see the full breakdown — every link, every reduction, every flap-T.
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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 "relativity", 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.
reh-luh-TIH-vuh-tee→REH·luh·TIH·vuh·tee
02
Stressing the wrong syllable.
Stress falls on the third syllable, not the others. Stretch TIH — keep everything else short and quick.
REH·LUH·tih·VUH·TEE→REH·luh·TIH·vuh·tee
03
Pronouncing the unstressed syllable too fully.
Don't pronounce the first syllable too fully. The unstressed syllable reduces to a schwa — the lazy "uh" sound — in casual speech.
reh·LUH·TIH·vuh·tee→REH·luh·TIH·vuh·tee
Questions
Questions people ask about this.
How is "relativity" stressed in American English?
Stress falls on the third syllable — say "TIH" with a longer, fuller vowel and keep every other syllable short and quick. The respell "reh-luh-TIH-vuh-tee" 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 "relativity"?
In American English, when /t/ sits between two vowels with the second one unstressed, it turns into a quick D-like flap. So "relativity" sounds closer to "reh-luh-TIH-vuh-tee" 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 second syllable in "relativity" 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 "reh-luh-TIH-vuh-tee" shows the reduced form so you can hear the casual rhythm directly.
Is the American pronunciation of "relativity" different from British English?
American English uses different vowel shapes, a relaxed retroflex R, and connected-speech tricks like flap-T and glottal-stop T that British Received Pronunciation generally avoids. The respell "reh-luh-TIH-vuh-tee" reflects the casual American form; British dictionaries typically print a citation form with crisper consonants and different vowel choices.
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