Sentence:  The differentiation however is not very much greater , as shown by the fact that Athabascan shows 3.46 stems per meaning slot as against 2.75 for Yokuts , with a slightly greater number of languages represented in our sample : 24 as against <WSD>21</WSD> . 
Meaning of the word marked with <WSD> tags:  the cardinal number that is the sum of twenty and one