The most characteristic features of the Bulgar grammar were:

1.  Definitive articles at the end of the nouns:
            -A, -O, -OT, -ON, -ET for words of masculine gender;
            -VA, -SA, -NA, -TA for words of feminine gender (See the Geographic section for more details).

2. Words of masculine gender ending in -A: BOILA, KANA, ZERA, etc.

3. Suffixes -SI, -SKHI (-SHI) and -IN for the formation of possessive adjectives (ALHASI, KHUMSKHI, ESTROGIN, etc.).

4. Suffix -CHII for the formation of nouns denoting a trade (SHARCHII, KNIHACHII, ZDCHII, etc.).

5. Formation of plural forms by -AR (CHAKARAR, BOILAR, etc.).

6. Formation of possessive forms by the suffixes -I, -GI and -IGI (ZENTI, OKHSI, SUBIGI, TAGROGI, ITZIGI, etc.).

7. Oblique case being formed by the ending -I (TES – TESI in the inscription from Nagy Saint Miklos, Hungary).

8. Characteristic suffixes -EM and -AM in the ordinal numerals (ALEM – first, TUTOM – second, etc.).

9. Diminutive suffixes -UKH, -IK, -CHU (-CHO), -CHE, -CA for the personal names (Asparukh, Valukh, Irnik, Manchu, Khanchu, Trajche, Ganica, etc.).

10. Formation of composite determinate constructions in which every preceding word determines the next one (KANA BOILA KOLOBR – the khan's great kolobr [priest], etc.).

11. A characteristic conjugation of the auxiliary verb TO BE – 'E' for third person, singular, present tense, and 'BE' – for third person, singular, past tense.

12. A characteristic word order in which the predicate was placed at the end of the sentence (ZENTI ASO E, ANZI ZERA ITZI ASO E, etc.)