doodah

As nouns the difference between doodah and null

is that doodah is a thing; especially an unspecified gadget, device, or part while null is zero, nil; the cardinal number before einn.

As a noun doodah is

a thing; especially an unspecified gadget, device, or part.

As nouns the difference between taxonomy and doodah

is that taxonomy is the science or the technique used to make a classification while doodah is a thing; especially an unspecified gadget, device, or part.

As nouns the difference between part and doodah

is that part is party (political group) while doodah is a thing; especially an unspecified gadget, device, or part.

As nouns the difference between device and doodah

is that device is any piece of equipment made for a particular purpose, especially a mechanical or electrical one while doodah is a thing; especially an unspecified gadget, device, or part.

As nouns the difference between gadget and doodah

is that gadget is (obsolete) a thing whose name cannot be remembered; thingamajig, doohickey while doodah is a thing; especially an unspecified gadget, device, or part.

As an adjective unspecified

is not specified; not thoroughly explained or detailed; not adequately commented.

As a noun doodah is

a thing; especially an unspecified gadget, device, or part.