と違って => different to N2
Compare
に相違ない => without a doubt; certain; sure N2
に[相違「そうい」]ない => No doubt N2
Information, Report
に[違「ちが」]いない => Without a doubt, A N2
Information, Report
~ といっても間違いない => although I say; although one might say ~ it doesn't matter ... N1
Explain
いい => (Refuse) enough N3
Refuse
ないといい => Not doing...it's better N4
Aspiration
いっさいない => Not at all N2
Emphasize negative meaning
いない => Inside, within... N3
Scope
いちがいに…ない => Impossible... in general N2
Description
といいなあ/たらいいなあ/ばいいなあ => it would be nice if; should; I hope ~ N3
~といい~といい      => both ... and; not only ... also; whether it be ... or ~ N1