Benfords Law of Words
Mathematica 246 bytes
The probabilities are based on all the words in the file.
p=Prepend;t=Transpose;d=&quot;Digit&quot;; 
p[t[p[N[#/Total@#,5]&amp;/@ t[Sort[Cases[Tally[Position[Characters
@Import[&quot;t.txt&quot;,&quot;List&quot;],#][[All,2]]],{n_,_} /;n&lt;6]]/.{_,k_}-&gt;k&amp;/@
(c=CharacterRange[&quot;a&quot;,&quot;z&quot;])],c]],{d,&quot;1st &quot;&lt;&gt; d,&quot;2nd &quot;&lt;&gt;d,&quot;3rd &quot;&lt;&gt;d,&quot;4th &quot;&lt;&gt;d,&quot;5th &quot;&lt;&gt;d}]
//Grid




In the given list of 60387 words, the occurrences are distributed as follows. Letters &quot;s&quot; and &quot;c&quot; are the most likely to appear at the beginning of a word (7455 and 6008, respectively). Only 11 words begin with the letter &quot;x&quot;.


Without headers in table  162 bytes
t=Transpose;t[N[#/Total@#]&amp;/@t[Sort[Cases[Tally[Position[Characters@Import[&quot;t.txt&quot;, &quot;List&quot;], #][[All,2]]],{n_,_} /;n&lt;6]]/.{_,k_}-&gt;k&amp;/@CharacterRange[&quot;a&quot;,&quot;z&quot;]]]//Grid