As an adjective colloquial
is (linguistics) denoting a manner of speaking or writing that is characteristic of familiar conversation; informal.
As a noun familia is
a rank in a taxonomic classification, above both genus and species.
Other Comparisons: What's the difference?
(linguistics) Denoting a manner of speaking or writing that is characteristic of familiar conversation; informal.
Of or pertaining to a conversation; conversational or chatty.
Note that while colloquy and colloquium refer to formal'' conversation, colloquial refers instead specifically to ''informal conversation.
Not English Familia has no English definition. It may be misspelled.