に[相違「そうい」]ない => No doubt N2
Information, Report
に相違ない => without a doubt; certain; sure N2
に[違「ちが」]いない => Without a doubt, A N2
Information, Report
ようと思う/ようと思っている => thinking of doing; planning to ~ N3
と思っている => Plan to do something N4
Plan
~ といっても間違いない => although I say; although one might say ~ it doesn't matter ... N1
Explain
と違って => different to N2
Compare
~かと思いきや => contrary to expectations; or so we thought, but ~ N1
Things do not match the prediction
と思う => I think N5
かと思ったら/かと思うと => just when; no sooner than ~ N2
と[思「おも」]いきや => Even though A (was thought/expected), different result B N1
Contrast/Surprise
と([思「おも」]う、[言「い」]う、[考「かんが」]える) => That A N4
Particles