This yielded 612 pairs, each of which was judged by a linguist 7 as being a pair of false friends, partial cognates, or true cognates.
nakov & Pacovski [31] tried various combinations of these statistics; in their experiments, the bestperforming formula was the following one: now, note that we have the following inequalities: having a high number of co-occurrences #(w bg , w ru ) should increase the probability that the words w bg and w ru are cognates.