Declension table of ?lāpya

Neuter	Singular	Dual	Plural
Nominative	lāpyam	lāpye	lāpyāni
Vocative	lāpya	lāpye	lāpyāni
Accusative	lāpyam	lāpye	lāpyāni
Instrumental	lāpyena	lāpyābhyām	lāpyaiḥ
Dative	lāpyāya	lāpyābhyām	lāpyebhyaḥ
Ablative	lāpyāt	lāpyābhyām	lāpyebhyaḥ
Genitive	lāpyasya	lāpyayoḥ	lāpyānām
Locative	lāpye	lāpyayoḥ	lāpyeṣu

Compound lāpya -

Adverb -lāpyam -lāpyāt