The effectiveness of a small subset of features is consistent with the observation in the discourse analysis studies that rivals in long-lasting controversies tend to consolidate their vocabulary and signal their perspective with certain stigma words and banner words, that is, specific keywords used by a discourse community to implicate adversaries and to create sympathy with own perspective, respectively (Teubert, 2001).
in abortion debates, using infanticide as a synonym for abortion is a pro-life stigma.