The difference between Ave and Average

When used as nouns, ave means an ave maria, whereas average means the arithmetic mean.

Average is also verb with the meaning: to compute the average of, especially the arithmetic mean.

Average is also adjective with the meaning: constituting or relating to the average.

check bellow for the other definitions of Ave and Average

Ave as a noun:

An Ave Maria.

Examples:

"Ye’ll come and find the place where I am lying / And kneel and say an ave there for me."
Ave as a noun:

A reverential salutation.

Average as a noun (mathematics):

The arithmetic mean.

Examples:

"The average of 10, 20 and 24 is (10 + 20 + 24)/3 = 18."
Average as a noun (statistics):

Any measure of central tendency, especially any mean, the median, or the mode.
Average as a noun (legal, marine):

Financial loss due to damage to transported goods; compensation for damage or loss.
Average as a noun:

Customs duty or similar charge payable on transported goods.
Average as a noun:

Proportional or equitable distribution of financial expense.
Average as a noun (sports):

An indication of a player's ability calculated from his scoring record, etc.

Examples:

"batting average'"
Average as a noun (UK, in the plural):

In the corn trade, the medial price of the several kinds of grain in the principal corn markets.

Average as an adjective (not comparable):

Constituting or relating to the average.

Examples:

"The average age of the participants was 18.5."
Average as an adjective:

Neither very good nor very bad; rated somewhere in the middle of all others in the same category.

Examples:

"I soon found I was only an average chess player."
Average as an adjective:

Typical.

Examples:

"The average family will not need the more expensive features of this product."
Average as an adjective (informal):

Not outstanding, not good, banal; bad or poor.

Average as a verb (transitive):

To compute the average of, especially the arithmetic mean.

Examples:

"If you average 10, 20 and 24, you get 18."
Average as a verb (transitive):

Over a period of time or across members of a population, to have or generate a mean value of.

Examples:

"The daily high temperature last month averaged 15°C."

"I averaged 75% in my examinations this year."
Average as a verb (transitive):

To divide among a number, according to a given proportion.

Examples:

"to average a loss"
Average as a verb (intransitive):

To be, generally or on average.

Average as a noun (UK, legal, obsolete):

The service that a tenant owed his lord, to be done by the animals of the tenant, such as the transportation of wheat, turf, etc.