As nouns the difference between terpin and terin

is that terpin is (obsolete|medicine) any of several preparations, primarily of terpineol, used medicinally while terin is (the bird).

As nouns the difference between chacids and chalcids

is that chacids is while chalcids is .

As nouns the difference between periscopes and perioscopes

is that periscopes is while perioscopes is .

As nouns the difference between aba and ana

is that aba is man, especially a brazilian male indian while ana is .

As nouns the difference between smearworts and spearworts

is that smearworts is while spearworts is .

In archaic terms the difference between pickest and kickest

is that pickest is archaic second-person singular of pick while kickest is archaic second-person singular of kick.

As nouns the difference between incorporeality and incorporality

is that incorporeality is the state or characteristic of being incorporeal while incorporality is obsolete form of incorporeality.

As an abbreviation obs

is obsolete (as a gloss for words in dictionaries).

As a noun obas is

.

As nouns the difference between chimpiness and chippiness

is that chimpiness is the quality or state of resembling a chimpanzee while chippiness is quality of being chippy.

As nouns the difference between merostomes and merosomes

is that merostomes is plural of merostome while merosomes is plural of merosome.