Sentence:  It will be seen that where the <WSD>scope</WSD> is similar , the Athabascan ratios come out somewhat higher ( as indeed they ought to with a total ratio of 2.8 as against 3.5 or 4 : 5 ) except for verbs , where alone the Athabascan ratio is lower . 
Meaning of the word marked with <WSD> tags:  an area in which something acts or operates or has power or control: "the range of a supersonic jet"