うが~うが => Whether A or B N1
Miscellaneous
そうにない => N2
Potential, Possibility
そうだ => Seem, like… N4
Situations and Experiences
それはそうと => By the way N2
Miscellaneous
うと~まいと,うが~まいが => Whether or not A (is/occurs) N1
Based/focused/depending on
そのため => Because of A, B N3
Reason, Result, Response
に[相違「そうい」]ない => No doubt N2
Information, Report
と([思「おも」]う、[言「い」]う、[考「かんが」]える) => That A N4
Particles
[最中「さいちゅう」] => In the middle of A N3
Time, Situation
んがため => For the purpose of doing A N1
Reason, Result, Response
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