Declension table of ?sahādhyayana

Neuter	Singular	Dual	Plural
Nominative	sahādhyayanam	sahādhyayane	sahādhyayanāni
Vocative	sahādhyayana	sahādhyayane	sahādhyayanāni
Accusative	sahādhyayanam	sahādhyayane	sahādhyayanāni
Instrumental	sahādhyayanena	sahādhyayanābhyām	sahādhyayanaiḥ
Dative	sahādhyayanāya	sahādhyayanābhyām	sahādhyayanebhyaḥ
Ablative	sahādhyayanāt	sahādhyayanābhyām	sahādhyayanebhyaḥ
Genitive	sahādhyayanasya	sahādhyayanayoḥ	sahādhyayanānām
Locative	sahādhyayane	sahādhyayanayoḥ	sahādhyayaneṣu

Compound sahādhyayana -

Adverb -sahādhyayanam -sahādhyayanāt