As verbs the difference between overcrowding and overcrowing
is that overcrowding is present participle of lang=en while overcrowing is present participle of overcrow.
As a noun overcrowding
is the action or event of a space having more occupants than a space can accommodate.
overcrowding
English
Noun
(-)
The action or event of a space having more occupants than a space can accommodate.
Verb
(head)