As verbs the difference between overcrop and overcrow
is that overcrop is to cultivate land excessively and thus exhaust its fertility while overcrow is (obsolete|transitive) to take over.
overcrop
English
Verb
To cultivate land excessively and thus exhaust its fertility
overcrow
English
Verb
(
en verb)
(obsolete) To take over.
*1602 : , act V scene 2
*:The potent poison quite overcrows my spirit
(obsolete) To crow over, as in triumph.