Declension table of ?dīrghatīkṣṇamukha

Neuter	Singular	Dual	Plural
Nominative	dīrghatīkṣṇamukham	dīrghatīkṣṇamukhe	dīrghatīkṣṇamukhāni
Vocative	dīrghatīkṣṇamukha	dīrghatīkṣṇamukhe	dīrghatīkṣṇamukhāni
Accusative	dīrghatīkṣṇamukham	dīrghatīkṣṇamukhe	dīrghatīkṣṇamukhāni
Instrumental	dīrghatīkṣṇamukhena	dīrghatīkṣṇamukhābhyām	dīrghatīkṣṇamukhaiḥ
Dative	dīrghatīkṣṇamukhāya	dīrghatīkṣṇamukhābhyām	dīrghatīkṣṇamukhebhyaḥ
Ablative	dīrghatīkṣṇamukhāt	dīrghatīkṣṇamukhābhyām	dīrghatīkṣṇamukhebhyaḥ
Genitive	dīrghatīkṣṇamukhasya	dīrghatīkṣṇamukhayoḥ	dīrghatīkṣṇamukhānām
Locative	dīrghatīkṣṇamukhe	dīrghatīkṣṇamukhayoḥ	dīrghatīkṣṇamukheṣu

Compound dīrghatīkṣṇamukha -

Adverb -dīrghatīkṣṇamukham -dīrghatīkṣṇamukhāt