As a noun slinky

is a toy in the form of a loose metal (originally) or plastic spring that can be made to "walk" down stairs as its coils separate and close up.

As an adverb slinkily is

in a slinky way.

Hypercalcemia is a derived term of calcemia.

As nouns the difference between hypercalcemia and calcemia

is that hypercalcemia is (medicine) the presence of an unusually high concentration of calcium in the blood while calcemia is (medicine|especially in combination) the level of calcium in the blood.

Calcemia is a derived term of hypocalcemia.

As nouns the difference between hypocalcemia and calcemia

is that hypocalcemia is the condition of having an abnormally low concentration of calcium ions in the blood while calcemia is the level of calcium in the blood.

As nouns the difference between heat and calorigenesis

is that heat is (military) high explosive antitank: a munition using a high explosive shaped charge to breach armour while calorigenesis is (biochemistry) the production of heat via the digestion of food, or by the action of certain hormones.

As nouns the difference between digestion and calorigenesis

is that digestion is digestion while calorigenesis is (biochemistry) the production of heat via the digestion of food, or by the action of certain hormones.

As nouns the difference between food and calorigenesis

is that food is (uncountable) any substance that can be consumed by living organisms, especially by eating, in order to sustain life while calorigenesis is (biochemistry) the production of heat via the digestion of food, or by the action of certain hormones.

In lang=en terms the difference between obligation and obligatedly

is that obligation is a legal agreement stipulating a specified payment or action; the document containing such agreement while obligatedly is under obligation; necessarily.

As a noun obligation

is the act of binding oneself by a social, legal, or moral tie to someone.

As an adverb obligatedly is

an alternative spelling of obligately.

As adverbs the difference between necessarily and obligatedly

is that necessarily is inevitably; of necessity while obligatedly is .

Calcaemia is an alternative form of calcemia.

As nouns the difference between calcaemia and calcemia

is that calcaemia is while calcemia is (medicine|especially in combination) the level of calcium in the blood.

As nouns the difference between calcium and calcemia

is that calcium is calcium while calcemia is (medicine|especially in combination) the level of calcium in the blood.