Master the Latin alphabet, understand vowel length (quantity), learn diphthongs, and compare the two major pronunciation systems — Classical (ancient Rome) and Ecclesiastical (Church Latin).
Estimated Time: 35–45 minutes
The Latin alphabet is the ancestor of the English alphabet. Classical Latin used 23 letters — the letters J, U, and W did not exist:
| Letter | Name | Sound |
|---|---|---|
| A | ā | "ah" (as in father) |
| B | bē | as in English |
| C | cē | always hard "k" (Classical) — see below |
| D | dē | as in English |
| E | ē | "eh" (short) or "ay" (long) |
| F | ef | as in English |
| G | gē | always hard "g" (as in go) |
| H | hā | lightly aspirated (Classical) or silent (Ecclesiastical) |
| I | ī | "ee" — also used as consonant "y" before vowels |
| K | kā | rare, only in a few words (Kalendae) |
| L | el | as in English |
| M | em | as in English |
| N | en | as in English |
| O | ō | "oh" (short as in pot, long as in note) |
| P | pē | as in English (unaspirated) |
| Q | qū | always followed by U, pronounced "kw" |
| R | er | lightly rolled/trilled |
| S | es | always sharp "ss" (never "z") |
| T | tē | as in English (unaspirated) |
| V | ū | "oo" (vowel) or "w" (consonant) in Classical |
| X | ix | "ks" as in English |
| Y | ī Graeca | "ü" (French tu) — only in Greek loanwords |
| Z | zēta | "dz" — only in Greek loanwords |
Classical Latin wrote I for both the vowel "ee" and the consonant "y" sound (Iulius = "Yoo-lee-us"). V served as both the vowel "oo" and the consonant "w" (VENVS = "Weh-nus"). Later scholars added J and U for clarity, which is why you'll see both Iulius/Julius and uinum/vinum in different textbooks.
Latin vowels come in two lengths — short and long. This distinction is crucial because it affects meaning and stress placement:
| Vowel | Short | Long (marked with macron: ā ē ī ō ū) |
|---|---|---|
| A | "uh" (as in about) | "ah" (as in father) |
| E | "eh" (as in pet) | "ay" (as in they) |
| I | "ih" (as in pit) | "ee" (as in machine) |
| O | "oh" (as in British pot) | "oh" (as in note) |
| U | "uh" (as in put) | "oo" (as in rude) |
malum (short a) = "evil" vs mālum (long ā) = "apple." liber (short i) = "free" vs līber (long ī) = "book." Macrons (ā, ē, ī, ō, ū) mark long vowels in textbooks but were NOT written in ancient inscriptions.
A diphthong is two vowels pronounced together as one syllable:
| Diphthong | Classical Sound | Example |
|---|---|---|
| AE | "eye" (as in aisle) | Caesar → "KYE-sar" |
| OE | "oy" (as in boy) | poena → "POY-nah" |
| AU | "ow" (as in how) | laudō → "LOW-doh" |
| EI | "ay-ih" (rare) | deinde → "DAYN-deh" |
| EU | "eh-oo" (rare) | seu → "SEH-oo" |
| UI | "oo-ih" (rare) | huic → "HOO-ik" |
There are two main ways to pronounce Latin, and which you use depends on context:
Reconstructed from ancient evidence — poetry meters, spelling errors in graffiti, descriptions by Roman grammarians. This is what Caesar and Cicero actually sounded like. Used in university Latin courses, classical scholarship, and academic settings.
Developed through centuries of use in the Catholic Church. Heavily influenced by Italian pronunciation. Used in Catholic liturgy, sacred music, legal Latin, and many traditional schools. This is what you'll hear in the Vatican and when choirs sing Latin hymns.
| Feature | 🏛️ Classical | ⛪ Ecclesiastical |
|---|---|---|
| C (before e, i) | always hard "k" — Cicerō = "KIK-eh-roh" | soft "ch" — Cicerō = "CHEE-cheh-roh" |
| G (before e, i) | always hard "g" — genus = "GEH-nus" | soft "j" — genus = "JEH-nus" |
| V | "w" — vīnum = "WEE-num" | "v" — vīnum = "VEE-num" |
| AE | "eye" — caelum = "KYE-lum" | "eh" — caelum = "CHEH-lum" |
| OE | "oy" — poena = "POY-nah" | "eh" — poena = "PEH-nah" |
| TI (before vowel) | "tee" — nātiō = "NAH-tee-oh" | "tsee" — nātiō = "NAH-tsee-oh" |
| H | lightly pronounced | silent |
| PH | "p-h" (aspirated p) | "f" — philosophia = "fee-lo-SO-fee-ah" |
This course teaches both, with Classical as the default for grammar lessons and Ecclesiastical noted where relevant. If you're studying for academic purposes, use Classical. If you're singing in a choir or studying Church Latin, use Ecclesiastical. Both are "correct" — they're just different traditions.
Latin stress follows strict, predictable rules based on syllable weight:
Two-syllable words: Stress always falls on the first syllable. RO-ma, VI-a, A-qua.
Three+ syllable words: Look at the penult (second-to-last syllable):
→ If the penult is heavy (contains a long vowel or ends in a consonant), stress it: a-MĪ-cus, for-TŪ-na.
→ If the penult is light, stress the antepenult (third-to-last): DO-mi-nus, FĒ-mi-na.
Never stress the last syllable in Latin!
1. How many letters were in the Classical Latin alphabet?
2. In Classical pronunciation, how is the C in "Caesar" pronounced?
3. What does the letter V sound like in Classical Latin?
✦ Classical Latin had 23 letters — no J, U, or W. I doubled as "y" and V as "w/oo."
✦ Vowel length matters: short vs long vowels change meaning (malum vs mālum).
✦ Key diphthongs: AE ("eye"), OE ("oy"), AU ("ow") in Classical; AE/OE become "eh" in Ecclesiastical.
✦ Classical: C always = "k", V = "w", G always hard. Ecclesiastical: C/G soften before e/i, V = "v".
✦ Stress is predictable: check the penult (second-to-last syllable). Never stress the final syllable.