Transmisogynist is a word, and excluding trans people from the feminist movement is offensive. Feminism is about equality throughout all genders.
Make up as many words, and rules about feminism, as you like - that doesn’t change the reality of the English language or the feminist movement/feminist theory.
Please educate yourself: (click the links for comprehensive definitions)
PS: Sex and gender are two different things. Feminism advocates for equality between the sexes, and the abolition of gender. Feminism is a female-centric movement and school of thought (hence the fem- part).
It pisses me off so much when people use words they don’t know the meaning of.