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🇹🇯 Tajik POS Corpus

A comprehensive part-of-speech tagged lexicon for the Tajik language, containing over 52,508 unique word forms with their morphological categories.

📖 Description

This dataset is a curated collection of Tajik words annotated with part-of-speech tags according to standard Tajik grammatical classification. It includes both general vocabulary and proper nouns (including toponyms), and serves as a fundamental resource for:

  • Training and evaluating POS taggers for Tajik
  • Morphological analysis and lemmatization
  • Lexicographic research
  • Language learning applications

The corpus has been carefully cleaned: duplicates removed, artifacts (like _1 suffixes) eliminated, and enclitics category verified against academic grammar.

📊 Dataset Statistics

Overall Metrics

Metric Value
Total Records 52,508
Unique Tajik Words 52,447
Uniqueness Ratio 99.88%
Unique POS Tags 28

Word Length Statistics

Metric Value
Average Length 7.85 characters
Median Length 7
Minimum Length 1
Maximum Length 70

Part-of-Speech Distribution

Part of Speech Count Percentage
исм 23,730 45.19%
сифат 15,437 29.40%
исми хос 8,894 16.94%
зарф 1,525 2.90%
феъл 1,345 2.56%
нидо 248 0.47%
шумора 139 0.26%
символ 102 0.19%
ихтисора 100 0.19%
рақам 100 0.19%
пайвандак 86 0.16%
пешоянд 72 0.14%
пасванд 70 0.13%
ҷонишин 68 0.13%
феъли ёридиҳанда 63 0.12%
замони феъл 62 0.12%
ибора 61 0.12%
ҳиссача 53 0.10%
пешванд 51 0.10%
воҳиди ченак 50 0.10%
муайянкунанда 44 0.08%
нишондиҳанда 40 0.08%
модалӣ 39 0.07%
тақлидӣ 37 0.07%
пайванди табей 30 0.06%
пайванди бабей 26 0.05%
пасоянд 23 0.04%
энклитика 13 0.02%

🔝 Top 10 Longest Words

# Word POS Length
1 Боғи фарҳангӣ-фароғатии марказии Кӯлоб ба номи Мир Сайид Алии Ҳамадонӣ исми хос 70
2 Осорхонаи мероси хаттӣ ва адабии ба номи Мир Сайид Алии Ҳамадонӣ исми хос 64
3 Театри давлатии академии опера ва балети ба номи Садриддин Айнӣ исми хос 63
4 Филиали Донишгоҳи байналмилалии сайёҳӣ ва соҳибкории Тоҷикистон исми хос 63
5 Осорхонаи санъати миллии Тоҷикистон ба номи Камолиддин Беҳзод исми хос 61
6 Кумитаи иҷроияи Ҳизби Халқии Демократии Тоҷикистон дар Кӯлоб исми хос 60
7 Масҷиди марказии ҷомеи Душанбе ба номи Абуҳанифа Имоми Аъзам исми хос 60
8 Театри давлатии академии драмавии ба номи Абулқосим Лоҳутӣ исми хос 58
9 Коллеҷи санъати ҷумҳуриявии ба номи Кароматулло Қурбонов исми хос 56
10 Театри давлатии академии опера ва балети ба номи С. Айнӣ исми хос 56

📝 First Letter Distribution (Top 10)

First Letter Count Percentage
б 4,303 8.19%
м 4,152 7.91%
с 3,353 6.39%
н 2,486 4.73%
д 2,376 4.53%
т 2,301 4.38%
а 2,273 4.33%
к 2,105 4.01%
п 2,076 3.95%
х 1,743 3.32%

🔤 Special Words

  • Words with spaces (multi-word expressions): 5 examples (total 5)
  • Words with hyphens: 5 examples

📁 Data Format

Each record is a JSON object with two fields:

Field Type Description Example
tajik string The word form in Tajik (Cyrillic script) "Рунҷ"
part_of_speech string The part-of-speech tag "исми хос"

Example Record

{
  "tajik": "Рунҷ",
  "part_of_speech": "исми хос"
}

🚀 Usage

Load with 🤗 Datasets

from datasets import load_dataset

dataset = load_dataset("TajikNLPWorld/tajik-pos-corpus")
train_data = dataset["train"]

# Filter nouns
nouns = train_data.filter(lambda x: x["part_of_speech"] == "исм")
print(f"Number of nouns: {len(nouns)}")

📜 License

Apache License 2.0

🤝 Citation

@dataset{tajik_pos_corpus,
    title = {Tajik POS Corpus},
    author = {Arabov Mullosharaf Kurbonovich, TajikNLPWorld},
    year = {2025},
    publisher = {Hugging Face},
    url = {https://huggingface.co/datasets/TajikNLPWorld/tajik-pos-corpus}
}

Generated with ❤️ for the Tajik NLP community

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