Two words
May be 2 words combined (ratio+natio) If not obvious, probably incorrect
natio N 3 1 NOM S F
natio N 3 1 VOC S F
natio, nationis N (3rd) F [XXXBX]
nation, people; birth; race, class, set; gentiles; heathens;
ratio N 3 1 NOM S F
ratio N 3 1 VOC S F
ratio, rationis N (3rd) F [XXXAX]
account, reckoning, invoice; plan; prudence; method; reasoning; rule; regard;
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