Add entries in to rare dictionary

Split off from #2266

Author: luzpaz

codespell_lib/data/dictionary_rare.txt

@@ -13,6 +13,7 @@ backword->backward
 backwords->backwards
 bale->able, bail,
 bellow->below
+biding->binding, bidding,
 bloc->block
 blocs->blocks
 bodgy->body
@@ -47,6 +48,8 @@ crated->created
 creche->crèche
 cristal->crystal
 crufts->cruft
+cunt->count, hunt,
+cunts->counts, hunts,
 dealign->dealing
 deffer->differ, defer,
 degrate->degrade
@@ -190,6 +193,7 @@ wee->we
 whats->what's
 whet->when, what, wet,
 whiling->while
+whit->with, white, wit,
 wight->weight, white, right, write,
 wights->weights, waits, whites, rights, writes,
 wile->while