そうにない => N2
Potential, Possibility
に[相違「そうい」]ない => No doubt N2
Information, Report
それはそうと => By the way N2
Miscellaneous
そうだ => Seem, like… N4
Situations and Experiences
に[沿「そ」]って/に[沿「そ」]い/に[沿「そ」]う/に[沿「そ」]った => Along with A; In line with A N2
Based, Focused, Depending on
そういえば => Speaking of .., A by the way, A; N2
Considering, Concerning
そうもない => The chances of A are very low N1
Potential, Possibility
その[上「うえ」] => Not only A, but B (as well) N3
Not only, Not even
[尊敬語「そんけいご」] => Respectful form of A N4
Honorifics
というか~というか => (not sure if it's) A or B N1
Miscellaneous
うと~まいと,うが~まいが => Whether or not A (is/occurs) N1
Based/focused/depending on
てこそ => Now since A... N2
Reason, Result, Response