Declension table of ?dīrghatīkṣṇamukha

Masculine	Singular	Dual	Plural
Nominative	dīrghatīkṣṇamukhaḥ	dīrghatīkṣṇamukhau	dīrghatīkṣṇamukhāḥ
Vocative	dīrghatīkṣṇamukha	dīrghatīkṣṇamukhau	dīrghatīkṣṇamukhāḥ
Accusative	dīrghatīkṣṇamukham	dīrghatīkṣṇamukhau	dīrghatīkṣṇamukhān
Instrumental	dīrghatīkṣṇamukhena	dīrghatīkṣṇamukhābhyām	dīrghatīkṣṇamukhaiḥ dīrghatīkṣṇamukhebhiḥ
Dative	dīrghatīkṣṇamukhāya	dīrghatīkṣṇamukhābhyām	dīrghatīkṣṇamukhebhyaḥ
Ablative	dīrghatīkṣṇamukhāt	dīrghatīkṣṇamukhābhyām	dīrghatīkṣṇamukhebhyaḥ
Genitive	dīrghatīkṣṇamukhasya	dīrghatīkṣṇamukhayoḥ	dīrghatīkṣṇamukhānām
Locative	dīrghatīkṣṇamukhe	dīrghatīkṣṇamukhayoḥ	dīrghatīkṣṇamukheṣu

Compound dīrghatīkṣṇamukha -

Adverb -dīrghatīkṣṇamukham -dīrghatīkṣṇamukhāt