I started subimpact.net because it was my childhood's nickname which i slapped two cool dictionary word [sub] [impact] .
sub-
a prefix occurring originally in loanwords from Latin (subject; subtract; subvert; subsidy); on this model, freely attached to elements of any origin and used with the meaning “under,” “below,” “beneath” (subalpine; substratum), “slightly,” “imperfectly,” “nearly” (subcolumnar; subtropical), “secondary,” “subordinate” (subcommittee; subplot).
impact
noun (ˈɪmpækt)
the force with which one thing hits another or with which two objects collide