As nouns the difference between proa and prob
is that proa is (nautical) a sailing vessel found in the waters of micronesia and indonesia; it has a single, large outrigger and a triangular sail while prob is (informal) short form of (problem).
As an abbreviation prob is
abbreviation of (probably), often seen in dictionary etymologies.
proa
Alternative forms
* prau, prahu, perahu
Noun
(
en noun)
(nautical) A sailing vessel found in the waters of Micronesia and Indonesia; it has a single, large outrigger and a triangular sail.
prob
English
Abbreviation
(Abbreviation)
(head)
Abbreviation of (probably), often seen in dictionary etymologies.