terms |
spirula |
As nouns the difference between terms and spirula
is that
terms is while
spirula is any mollusk of the cephalopod genus is the only extant species.
spirula |
spicula |
As nouns the difference between spirula and spicula
is that
spirula is any mollusk of the cephalopod genus is the only extant species while
spicula is or
spicula can be a little spike; a spikelet.