Well, the English Plural is momentums and the Foreign Plural is momenta!
The plural form of addendum is addenda
Trios is the plural noun.
Droughts is the plural noun.
Months is the plural noun.
The noun 'mice' is the plural form of the singular noun 'mouse'.
The plural form of the noun 'bandit' is bandits.The noun 'bandits' is a 'regular plural' form, a word that forms its plural by adding an 's' or an 'es' to the end of the word.
The plural form of addendum is addenda
The plural form of the noun 'crux' is cruxes.The plural noun 'cruxes' is a 'regular plural' form, a word that forms its plural by adding an 's' or an 'es' to the end of the word.
Two forms for the plural of the noun genus are accepted: genera and genuses
Most English dictionaries give two forms for the plural 'tempo' as tempos or tempi.
The plural form of apparatus is apparatuses. It has no foreign plural.
No foreign is an adjective. Foreigner is a noun. Singular possessive form is foreigner's. The foreigner's bag has been lost. Plural possessive form is foreigners'. The foreigners' bags have been lost
The plural of the noun "half" is "halves."
English plural: tourist > tourists Foreign plural: touriste > touristes
Forum---Plural Form Forums,Foreign Plural Form Forumina
Stimuli is already the plural of stimulus.
The foreign plural of agendum is agenda.