The genative plural of Ordo

What is the genative plural of ORDO

I think it is ORDONUM

What would the consonant stem be? ORDO?

This consonant stem is masculine correct? -DO
stems are usually feminine. Correct?

Thanks.

“ordinum” est.

And then the consonant stem would be:

ORDO?

Thanks.

Hi blutoonwithcarrotandnail
Salve canorcaerulecarotâclaveque

Isn’t the consonant stem “ordin”? Remove “-is” from the genitive singular of the 3rd declension (ordo, ordinis).
Nonnè radix consonans est “ordin”? È verbo tertiae declinationis casu genitivo numeri singularis “-is” inflectionem detrahis.

nom ordo
acc ordinem
gen ordinis
dat ordini
abl ordine

nom ordines
acc ordines
gen ordinum
dat ordinibus
abl ordinibus


Because of vowel weakening, the o turns into -i-.

Vocative sing. is ordo
Vocative pl. is ordines