As nouns the difference between terms and ahu
is that terms is while ahu is the asiatic gazelle or ahu can be stone platform for moai.
terms
English
Noun
(head)
Statistics
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ahu
English
Etymology 1
Noun
(
en noun)
The Asiatic gazelle.
Etymology 2
(etyl) ahu
Noun
(
en noun)
stone platform for moai