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Sounds, Spelling & Pronunciation
GrammarWords & FormsSounds, Spelling & Pronunciation

Sounds, Spelling & Pronunciation

A&G §1–15|10 rules|0 practice questions

Latin uses a 23-letter alphabet (no J, no W; I and V do double duty as vowels and consonants). Most letters sound roughly like English — but four don't, and they're the ones every beginner mispronounces: c and g are always hard, v sounds like English w, and r is trilled.

So Cicerō is KIH-ke-ro, not SIS-er-oh.

Vowel length matters as much as vowel quality. The macron over ā (vs plain a) marks a vowel held about twice as long — and it decides where the accent lands.

Two-syllable words stress the first; longer words stress the penult if it's heavy, the antepenult if not. That's why amī'cus but do'minus.

The classical Romans wrote no macrons; textbooks add them so you can read aloud without guessing.

Pattern
alphabet23 letters (no J, no W)
c, g = always hard
v = English w
accentheavy penult, else antepenult
The Four Things to Get Right

If you nail these, the rest of Latin pronunciation is mostly intuitive.

Cicerō = KIH-ke-ro (not SIS-er-oh); vīnum = WEE-noom (not VEE-num)

Sounds & Spelling Rules at a Glance
1
c always = K
Cicerō = KIH-ke-ro, not SIS-er-oh
critical
2
g always hard
genus = GHEH-nus (as in 'get')
critical
3
v = English w
vīnum = WEE-noom
critical
4
r is trilled
Rōma — tongue-tip trill
critical
5
s always voiceless
rosa = RO-sa (not RO-za)
important
6
consonant i = y
Iūlius = YOO-li-us
important
7
qu, gu, su = kw, gw, sw
aqua, lingua, suāvis
important
8
macron = held twice as long
ā (in māter) vs a (in amat)
critical
9
diphthongs (one syllable, glide)
ae=eye, au=ow, oe=oy, ei=ay
important
10
aspirates ph, th, ch (Greek loans)
philosophia — p+h, t+h, k+h puff
common
11
x = ks, z = dz
rēx = RAYKS, Mezentius = me-DZEN-ti-us
common
12
2-syllable words: stress the first
Rō'ma, fi'dēs, tan'gō
critical
13
3+ syllables: heavy penult → stress penult
amī'cus, monē'tur
critical
14
3+ syllables: light penult → stress antepenult
do'minus, a'lacris
critical
15
enclitics (-que, -ne, -ve) pull accent forward
armă'que (not ar'maque)
important
16
no macrons in actual Roman writing
Romans wrote ARMA — textbooks add ā for you
common

See It In Action

Arma virumque canō, Trōiae quī prīmus ab ōrīs
Of arms and the man I sing, who first from the shores of Troy

— Verg. Aen. i. 1

Read aloud: WIR-um-kwe, KA-no, TROY-yai. The famous opening sounds totally different from school-Latin if you hard the c and turn v into w.

Gallia est omnis dīvīsa in partēs trēs
All Gaul is divided into three parts

— B. G. i. 1

Gallia est — three syllables, stress on the FIRST (Gal'-li-a) because the penult li is light. The macrons on dīvīsa tell you which vowels get held.

Vēnī, vīdī, vīcī
I came, I saw, I conquered

— Suet. Iul. 37

The most quoted Latin line in English. In classical Latin: WAY-nee, WEE-dee, WEE-kee — not VEE-nee, VEE-dee, VEE-chee. Every vowel here is long.

Quō ūsque tandem, Catilīna, abūtēre
How long at last, Catiline, will you abuse [our patience]

— Cic. Cat. i. 1

Catilīna — penult lī is long (macron), so accent lands there: ka-ti-LEE-na. The classical c is hard everywhere; medieval Italian gave us "Cha-ti-LEE-na" but Cicero said KA-ti-LEE-na.

Reading Aloud: A 4-Step Routine
scan macrons

Mark every long vowel — they decide accent and add half-beats of length.

amī'cus — long ī makes the penult heavy → stress there

split syllables

One consonant between vowels goes with the next vowel; doubled consonants split.

pa-ter (open + close), mit-tō (closed + open)

weigh the penult

Heavy = long vowel, diphthong, or short vowel + 2 consonants. Light = anything else.

con-tin'-git (penult heavy by position) vs do'-mi-nus (penult light)

place the accent

Two syllables → first. Longer → heavy penult or, failing that, antepenult.

Rō'-ma, amī'-cus, do'-mi-nus

Classical vs. Ecclesiastical Pronunciation

Two living traditions exist. Classical (the standard for AP and almost all U.S. classrooms) reconstructs the Latin of Cicero's time; Ecclesiastical (Church Latin) follows medieval Italian.

Classical (use this)

Cicero's pronunciation, ca. 50 B.C.

Cicerō, caelum, agnus

KIH-ke-ro, KAI-lum, AG-nus

Ecclesiastical (Church)

Medieval Italian-flavored Latin

Cicerō, caelum, agnus

CHEE-che-ro, CHAY-lum, AHN-yus

Tip: Ask: is c before e/i hard or soft? Classical = always K. Ecclesiastical = CH (as in 'church'). When in doubt for AP Latin, go classical.

Quick Check

How is Catilīna pronounced and accented in classical Latin?

Study Tips

  • •Drill the four traps first: c = K (always), g = hard G, v = W, r trilled. Once those are automatic, the rest is mostly intuitive.
  • •When you see a macron, hold the vowel longer — don't change its quality. ā is still 'ah' (as in 'father'), just slower than short a.
  • •For accent: count syllables from the END. Penult heavy → stress penult. Penult light → stress antepenult. Two syllables → always stress the first.
  • •Don't worry about ecclesiastical (Church) pronunciation unless your teacher uses it. Classical is the AP standard.

Edited by Baris Yildirim·After Allen & Greenough §§1–15 (1903)

Last updated May 2, 2026·How antiq's grammar pages are made