Hence the two dictionary terms "good" and "guided" have the same LCSRatio of 0.5 w.r.t "gud", but the EditDistance SM S of "good" is 1 which is less than that of "guided", which has EditDistance SM S of 2 w.r.t "gud".
the similarity measure between "gud" and "good" will be higher than that of "gud" and "guided".