philosophies
The plural form of "philosophy" is spelled "philosophies."
That is the correct spelling of the plural of philosophy, which is "philosophies."
The plural form of vita is vitae.
The plural form of the noun thesis is theses. It is the standard plural form for a word of Greek origin ending in -is.
The word beliefs is the plural form of the singular noun "belief".
The plural form of antithesis is antitheses.
That is the correct spelling of the plural of philosophy, which is "philosophies."
As you say, it is doctors of philosophy, or in abbreviated form, PhD's.
The plural form of him, her, or it is them. (objective pronouns)
Italy does not have a plural form.
The plural form of beauty is beauties.
The plural form is spelt : subpoenas.
The plural form of quiz is quizzes.
The plural form of radius is radii.
Trout is plural
The plural form of the noun 'sea' is seas.
The plural form for the noun coach is coaches.
The plural form for the noun index is indexes.