As nouns the difference between terms and spanaemia
is that terms is while spanaemia is (medicine|archaic) a condition of impoverishment of the blood; a morbid state in which the red corpuscles, or other important elements of the blood, are deficient.
(medicine, archaic) A condition of impoverishment of the blood; a morbid state in which the red corpuscles, or other important elements of the blood, are deficient.