Voiced Consonants Stay Voiced

Here is a rule you can rely on almost without exception: in Ukrainian, a voiced consonant stays voiced — at the end of a word and, generally, before a voiceless consonant too. This is the mirror image of Russian, which systematically devoices final voiced consonants. The word дуб ("oak") really does end in a buzzing /b/, not a whispered "p." Getting this right is one of the two or three fastest ways to shed a Russian-sounding accent — and English speakers have a natural head start, because English does exactly the same thing.

The rule: hold the voicing to the very end

A voiced obstruent is a consonant made with the vocal cords buzzing — б /b/, д /d/, з /z/, ж /ʒ/, г /ɦ/, ґ /g/, дж /dʒ/, дз /dz/. In many languages these "switch off" their voicing when they land at the end of a word, becoming their voiceless partners (b→p, d→t, z→s, and so on). Ukrainian does not do this. You hold the buzz all the way through the final consonant.

The instruction is physical: when you reach the final consonant, do not cut the voicing early. Let your vocal cords keep vibrating right through the release.

The contrast with Russian, word by word

Russian and Ukrainian share these very words as cognates, but Russian devoices the final consonant and Ukrainian keeps it voiced. Lining them up is the clearest way to hear what Ukrainian is doing.

In each pair, the spelling is the same; only the pronunciation of the final consonant differs. The Ukrainian version is the one with the buzz intact. (Note that друг involves Ukrainian's special г sound /ɦ/, a voiced breathy 'h' — covered fully on g-sound-fricative. The point here is just that it stays voiced, never hardening to a voiceless 'k.')

It holds before voiceless consonants too — mostly

The "no devoicing" rule extends, in the standard language, to voiced consonants sitting before a voiceless one inside or across words. Ukrainian generally keeps the voiced consonant voiced where Russian (and Polish) would assimilate it to voiceless. This is part of why Ukrainian sounds "fuller" and more voiced than its neighbours.

Honesty check: this part of the rule is slightly less absolute than word-final voicing. There is one small, closed set of words where г genuinely does devoice to /x/ before a voiceless к or т — ле́гко ('LÉX-ko'), во́гко, ні́гті, кі́гті and their derivatives. These are lexical exceptions you simply memorise; they do not undo the general rule. The prefix з- can likewise surface as /s/ before voiceless consonants (its own spelling topic). But the default, and what you should train, is retained voicing. The clusters and their fine print are handled on consonant-clusters-assimilation.

Why this is the loudest Russian-accent giveaway

If you have a Russian background, final devoicing is a deep, automatic motor habit — your mouth devoices final voiced consonants without consulting you. When you read Ukrainian дуб, your trained reflex produces "dup"; when you read друг, it produces "druk." And because final consonants are the last thing a listener hears in each word, the devoicing rings out clearly. It is, alongside vowel reduction, the single most recognisable marker of a Russian accent in Ukrainian.

The fix, like resisting vowel reduction, is a removal: you are switching off an existing reflex, not learning a new sound. That makes it one of the highest-return things you can drill. Take the word list below and say each word with the voicing held through to the end, exaggerating the buzz until "dup" starts to feel wrong and "dub" feels natural.

English speakers have an advantage here

If your first language is English, this rule is largely free, because English keeps its final voiced consonants voiced too. The English pair dog / dock is distinguished precisely by the voicing of the final consonant: "dog" ends in a voiced /g/, "dock" in a voiceless /k/. You already hold final voicing every day without thinking about it — in bag, bad, buzz, judge.

So an English speaker's job is simply to transfer an existing English habit onto Ukrainian, while a Russian speaker's job is to suppress a Russian habit. If anything, your English instinct is the right instinct here — trust it, and let дуб end like dog, not like dock.

Common Mistakes

Key Takeaways

• Ukrainian does not devoice word-final voiced consonants: дуб ends in /b/, сад in /d/, ніж in /ʒ/, сніг and друг in /ɦ/, хліб in /b/.
• The retained voicing generally holds before voiceless consonants too (кни́жка, ва́жко) — though a few clusters assimilate; train the default of held voicing.
• Final devoicing is the loudest Russian-accent giveaway; the fix is to suppress an existing reflex, not learn a new sound.
• English speakers have a head start — English keeps final voicing (dog ≠ dock), so you simply transfer that habit to Ukrainian.
• Drill дуб, сад, ніж, сніг, друг with the buzz held to the very end. See vowels-no-reduction for the parallel vowel rule and g-sound-fricative for the special г.