As nouns the difference between terms and ordinarity
is that terms is while ordinarity is (rare) ordinariness: the property of being ordinary.
terms
English
Noun
(head)
Statistics
*
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ordinarity
English
Noun
(en-noun)
(rare) Ordinariness: the property of being ordinary.
Usage notes
* This form is rare in general, especially in comparison to ordinariness. One context in which it is slightly less rare is in mathematics, in reference to ordinary and near-ordinary Galois representations and deformations; even there, however, the form is far more common.