The noun 'syllabus' is the singular form. The plural forms are syllabi or syllabuses, both are accepted.
"Book" is a noun that has both a singular and plural form: "book" (singular) and "books" (plural).
The noun 'straw' is the singular form.The plural noun is straws.
The singular noun is address.The plural noun is addresses.
The noun mailbox is the singular form; the plural is mailboxes.
The noun cousin is the singular form. The plural noun is cousins.
The plural forms syllabi and syllabuses are both correct.
The noun 'mice' is the plural form of the singular noun 'mouse'.
"Children" is a plural noun. The singular form is "child."
The noun 'circus' is a singular noun.The plural noun is 'circuses'.
The word "loss" is singular. It refers to the act or instance of losing something.
The noun juggler is a singular noun. The plural noun is jugglers.
The singular noun is Tuesday.The plural noun is Tuesdays.
The singular noun is trio; the plural noun is trios.
The noun 'orchid' is a singular noun, a word for one.The plural noun is 'orchids'.
Statistics is plural, the singular form is statistic.
No, Mice is a plural noun. Mouse is the singular noun.
The word aisle is a singular noun. The plural noun is aisles.