Declension table of ?kṛṣṇāṅghri

Masculine	Singular	Dual	Plural
Nominative	kṛṣṇāṅghriḥ	kṛṣṇāṅghrī	kṛṣṇāṅghrayaḥ
Vocative	kṛṣṇāṅghre	kṛṣṇāṅghrī	kṛṣṇāṅghrayaḥ
Accusative	kṛṣṇāṅghrim	kṛṣṇāṅghrī	kṛṣṇāṅghrīn
Instrumental	kṛṣṇāṅghriṇā	kṛṣṇāṅghribhyām	kṛṣṇāṅghribhiḥ
Dative	kṛṣṇāṅghraye	kṛṣṇāṅghribhyām	kṛṣṇāṅghribhyaḥ
Ablative	kṛṣṇāṅghreḥ	kṛṣṇāṅghribhyām	kṛṣṇāṅghribhyaḥ
Genitive	kṛṣṇāṅghreḥ	kṛṣṇāṅghryoḥ	kṛṣṇāṅghrīṇām
Locative	kṛṣṇāṅghrau	kṛṣṇāṅghryoḥ	kṛṣṇāṅghriṣu

Compound kṛṣṇāṅghri -

Adverb -kṛṣṇāṅghri