~と(が)相まって => combining / together with… N1
Attached
に相違ない => without a doubt; certain; sure N2
に[相違「そうい」]ない => No doubt N2
Information, Report
と[相「あい」]まって => Along with A N1
Lists, examples
出す => to begin to; to start to; to burst into; ... out (e.g. to jump out, to carry out)​ N4