See Definition for austhrov 840
See Definition for sklhrov 4642
austhrov has not necessarily an unfavorable meaning. It is well
represented by the word austere; it means one who is earnest and
severe, strict in his ways, opposed to all levity. By implication it
may have the unfavorable meaning of harshness or moroseness.
sklhrov has always an unfavorable meaning. It indicates one who is
uncivil, intractable, rough and harsh. There is in it the implication
of inhumanity.