As nouns the difference between brainlessness and rainlessness
is that brainlessness is the state or condition of being brainless while rainlessness is the state or condition of being rainless; lack of rain; drought.
brainlessness
English
Noun
(-)
The state or condition of being brainless.
rainlessness
English
Noun
(-)
The state or condition of being rainless; lack of rain; drought