Sentence:  It will be seen that where the scope is similar , the <WSD>Athabascan</WSD> 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:  a group of Amerindian languages (the name coined by an American anthropologist, Edward Sapir)