untereinander — among each other, among themselves, one below the other, between them in German

dazu

in addition, furthermore, to that, for this

davon

of it, from that, from it, about it, thereof

daran, dran

on it, at it, in it

dadurch

through it, thus, as a result, thereby, in this way

irgendwie

somehow, kind of

insbesondere

especially, in particular, particularly

jedenfalls

in any case, anyhow, anyway, at least, certainly

wobei

whereby, in doing so, in/at which, how