Handwritten Devanāgarī lines on a manuscript page.
Notes on the forms

The forms follow Whitney’s Sanskrit Grammar. At the end of a word spoken on its own, ḥ represents final s or r; āi and āu appear as ai and au. You can show word accents in the Latin transliteration (IAST). Forms labelled as models follow the formation rules. The game uses the filled cells.

Vritra-slayer · masculine

Root compound with han · vṛtrahan (m.)
CasesSingularDualPlural
Nominative
vṛtrahā · वृत्रहा
the Vṛtra-slayer
vṛtrahaṇau · वृत्रहणौ
the two Vṛtra-slayers
vṛtrahaṇaḥ · वृत्रहणः
the Vṛtra-slayers
Accusative
vṛtrahaṇam · वृत्रहणम्
the Vṛtra-slayer
vṛtrahaṇau · वृत्रहणौ
the two Vṛtra-slayers
vṛtraghnaḥ · वृत्रघ्नः
the Vṛtra-slayers
Instrumental
vṛtraghnā · वृत्रघ्ना
with the Vṛtra-slayer
vṛtrahabhyām · वृत्रहभ्याम्
with the two Vṛtra-slayers
vṛtrahabhiḥ · वृत्रहभिः
with the Vṛtra-slayers
Dative
vṛtraghne · वृत्रघ्ने
for the Vṛtra-slayer
vṛtrahabhyām · वृत्रहभ्याम्
for the two Vṛtra-slayers
vṛtrahabhyaḥ · वृत्रहभ्यः
for the Vṛtra-slayers
Ablative
vṛtraghnaḥ · वृत्रघ्नः
from the Vṛtra-slayer
vṛtrahabhyām · वृत्रहभ्याम्
from the two Vṛtra-slayers
vṛtrahabhyaḥ · वृत्रहभ्यः
from the Vṛtra-slayers
Genitive
vṛtraghnaḥ · वृत्रघ्नः
of the Vṛtra-slayer
vṛtraghnoḥ · वृत्रघ्नोः
of the two Vṛtra-slayers
vṛtraghnām · वृत्रघ्नाम्
of the Vṛtra-slayers
Locative
vṛtraghni · वृत्रघ्नि
vṛtrahaṇi · वृत्रहणि
at the Vṛtra-slayer
vṛtraghnoḥ · वृत्रघ्नोः
at the two Vṛtra-slayers
vṛtrahasu · वृत्रहसु
at the Vṛtra-slayers
Vocative
vṛtrahan · वृत्रहन्
O Vṛtra-slayer
vṛtrahaṇau · वृत्रहणौ
O two Vṛtra-slayers
vṛtrahaṇaḥ · वृत्रहणः
O Vṛtra-slayers

The translation gives you one possible meaning, with case and number alongside it. Highlights help you compare the forms. Devanāgarī character clusters stay together.

Source: William Dwight Whitney: Sanskrit Grammar (1889), § 402

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