Syllables.
The plural of syllable is syllables.
Princes. Which is different to princess the female form. When pronouncing the words the stress is on the first syllable in princes (PRINces) but on the second syllable in princess (prinCESS)
Examples of one syllable plural common nouns are:antsboyscatsdoorseggsfansgateshairsinksjokeskingslaughsmennounsowlspiesquiltsroundsseastubsupsviewswinesxisyearszoos
It is pronounced "oh-AY-sees" with the emphasis on the middle syllable.
Meatus is the singular. The plural form - which can hardly be necessary - would be meatus ( pronounced with a long last syllable "may-ya-TOOCE") in Latin, or simply meatuses.
There is no plural form. Do and Do not are verbs
The plural form of him, her, or it is them. (objective pronouns)
Bridges is the plural form of bridge.
The plural form of "is" is "are."
The plural form of "I" is "we."
The plural form of "was" is "were."
The plural form of mouth is mouths. The plural form of month is months. The Mounth is a range of hills in Scotland and does not have a plural form.