As nouns the difference between guava and guanabana
is that guava
is a tropical tree or shrub of the myrtle family, Psidium guajava
is the soursop or custard apple.
A tropical tree or shrub of the myrtle family, Psidium guajava .
Its yellowish tropical fruit, 1¼ to 2 inches, globular or pear-shaped with thin, yellow, green or brown skin, is often made into jams and jellies. The meat is yellowish or pale green to pink in color.
The soursop or custard apple.