Tick vs. Flea — What's the Difference?

Ticks (suborder Ixodida) are parasitic arachnids that are part of the superorder Parasitiformes. Along with mites, they constitute the subclass Acari.

Flea, the common name for the order Siphonaptera, includes 2,500 species of small flightless insects that survive as external parasites of mammals and birds. Fleas live by consuming blood, or hematophagy, from their hosts.

A light, sharp, clicking sound made repeatedly by a machine, such as a clock.

Any of various small, wingless, bloodsucking insects of the order Siphonaptera that are parasitic on mammals and birds and can jump long distances.

Chiefly British A moment.

Any of various small crustaceans that resemble or move like fleas, such as the water flea.

A light mark used to check off or call attention to an item.

A small, wingless, parasitic insect of the order Siphonaptera, renowned for its bloodsucking habits and jumping abilities.

(Informal)A unit on a scale; a degree

(derogatory) A thing of no significance.

Any of various small bloodsucking arachnids of the order Ixodida that are parasitic on terrestrial vertebrates. Many species transmit diseases, such as Rocky Mountain spotted fever and Lyme disease.

(transitive) To remove fleas from (an animal).

Any of various usually wingless insects that resemble a tick, such as a sheep ked.

Obsolete spelling of flay

A cloth case for a mattress or pillow.

To flay.

A light mattress without inner springs.

An insect belonging to the genus Pulex, of the order Aphaniptera. Fleas are destitute of wings, but have the power of leaping energetically. The bite is poisonous to most persons. The human flea (Pulex irritans), abundant in Europe, is rare in America, where the dog flea (Ctenocephalides canis, formerly Pulex canis) and the smaller cat flea (Ctenocephalides felis) take its place. See Aphaniptera, and Dog flea. See Illustration in Appendix.

Ticking.

Any wingless blood-sucking parasitic insect noted for ability to leap

Credit or an amount of credit.

To emit recurring clicking sounds

To function characteristically or well

To count or record with the sound of ticks

To mark or check off (a listed item) with a tick

A relatively quiet but sharp sound generally made repeatedly by moving machinery.

A mark on any scale of measurement; a unit of measurement.

(computing) A jiffy (unit of time defined by basic timer frequency).

(colloquial) A short period of time, particularly a second.

(video games) A periodic increment of damage or healing caused by an ongoing status effect.

A mark (✓) made to indicate agreement, correctness or acknowledgement.

(birdwatching) A bird seen (or heard) by a birdwatcher, for the first time that day, year, trip, etc., and thus added to a list of observed birds.

(uncountable) Ticking.

A sheet that wraps around a mattress; the cover of a mattress, containing the filling.

Credit, trust.

A goat.

To make a clicking noise similar to the movement of the hands in an analog clock.

To make a tick or checkmark.

To work or operate, especially mechanically.

To strike gently; to pat.

To add (a bird) to a list of birds that have been seen (or heard).

(intransitive) To go on trust, or credit.

(transitive) To give tick; to trust.

Credit; trust; as, to buy on, or upon, tick.

Any one of numerous species of large parasitic mites which attach themselves to, and suck the blood of, cattle, dogs, and many other animals. When filled with blood they become ovate, much swollen, and usually livid red in color. Some of the species often attach themselves to the human body. The young are active and have at first but six legs.

The cover, or case, of a bed, mattress, etc., which contains the straw, feathers, hair, or other filling.

A quick, audible beat, as of a clock.

Any small mark intended to direct attention to something, or to serve as a check.

The whinchat; - so called from its note.

To go on trust, or credit.

To give tick; to trust.

To make a small or repeating noise by beating or otherwise, as a watch does; to beat.

To strike gently; to pat.

To check off by means of a tick or any small mark; to score.

A metallic tapping sound;

Any of two families of small parasitic arachnids with barbed proboscis; feed on blood of warm-blooded animals

A mark indicating that something has been noted or completed etc.;

A light mattress

Make a clicking or ticking sound;

Make a sound like a clock or a timer;

Sew;

Put a check mark on or next to;