hallo

As adjectives the difference between hallo and hallow

is that hallo is auditory while hallow is .

As an interjection hallo

is hello (used only when answering phone).

As a noun hallow is

(archaic|or|dialectal) a saint; a holy person; an apostle or hallow can be a shout, cry; a hulloo.

As a verb hallow is

to make holy, to sanctify or hallow can be to shout, especially to urge on dogs for hunting.

In transitive terms the difference between hallo and halo

is that hallo is to shout (something) while halo is to encircle with a halo.

As nouns the difference between hallo and halo

is that hallo is the cry "hallo! while halo is a circular band of coloured light, visible around the sun or moon etc., caused by reflection and refraction of light by ice crystals in the atmosphere.

As verbs the difference between hallo and halo

is that hallo is to shout, or to call with a loud voice while halo is to encircle with a halo.

As an interjection hallo

is a variant of hello