periodic

As adjectives the difference between periodic and monthly

is that periodic is relative to a period or periods while monthly is occurring every month.

As an adverb monthly is

occurring every month.

As a noun monthly is

a publication that is published once a month.

In chemistry terms the difference between cyclic and periodic

is that cyclic is of a compound having chains of atoms arranged in a ring while periodic is relating to, derived from, or designating, the highest oxygen acid (HIO) of iodine.

As adjectives the difference between cyclic and periodic

is that cyclic is characterized by, or moving in cycles, or happening at regular intervals while periodic is relative to a period or periods.

As nouns the difference between alignment and periodic

is that alignment is an arrangement of items in a line while periodic is newspaper.

As a noun periodic

is newspaper.

As an adjective geocyclic is

of, pertaining to, or illustrating the revolutions of the earth.

As a noun periodic

is newspaper.

As an adjective quasiharmonic is

(physics|mathematics) describing any system that has some harmonic (periodic) characteristics.

As nouns the difference between periodic and ekpyrosis

is that periodic is newspaper while ekpyrosis is (philosophy) the supposed periodic destruction of the universe.

As nouns the difference between periodic and miniband

is that periodic is newspaper while miniband is (biochemistry) a short loop of nucleic acid.

As nouns the difference between periodic and undulator

is that periodic is newspaper while undulator is (physics) a periodic structure of dipole magnets that generates a low-energy collimated beam of radiation.