Pelvimeters is the plural of pelvimeter
The Greek/Latin plural is carcinomata, the common English plural is carcinomas.
The English plural is carcinomas. The Greek/Latin plural would be carcinomata.
Animalia is the plural of the Latin word animal. It comes from anima, which originally meant "breath".
octopi Octopi is not incorrect, but is not technically correct either. Octopi is Latin and is the correct plural of Octopus, but the word octopus is not Latin. It is a Greek word. And the correct plural of octopus in Greek is "octopedes". Now the real kicker is that even though it's a Greek word, any word that is used in the English language is now an English word. So the Greek or Latin plural is technically incorrect. The official, proper pronunciation is -- octopuses. Source: Merriam-Webster
Pelvimetric
None. It is the plural form of the Latin word piscis, a fish.
The noun mouse is singular; the plural form is mice.
No. It is the Latin singular.The Latin plural is bursae. The English plural is bursas.
The plural of Octopus is Octopuses. Octopodes is also acceptable but rarely used. The common misconception that the plural is octopi comes from the incorrect assumption that Octopus is a Latin word, it is in fact Greek.According to the authoritative Oxford English Dictionary, "the standard plural in English of octopus is octopuses. However , the word octopus comes from Greek and the Greek plural form octopodes is still occasionally used . The plural form octopi, formed according to rules for some Latin plurals, is incorrect"
"Platypus" or "platypuses" are both accepted plural forms.The plural of platypus is not platypi. It is unfortunate that some dictionaries include platypi as a plural. Listing "octopi" as the plural of octopus is also incorrect, for the same reason. Both words are from Greek, not Latin."Platypi" is a colloquialism, and incorrect both grammatically and etymologically. The term uses pseudo-Latin rules.
The origin is greek (baktērion) converted into new Latin as bacterium for singular and bacteria for plural. Nowadays the common usage is bacteria for singular and bacterias for plural.