ninja

As a noun chalk is

(uncountable) a soft, white, powdery limestone.

As a verb chalk is

to apply chalk to anything, such as the tip of a billiard cue.

As a noun jinja is

a shinto place of worship.

As nouns the difference between ninja and spies

is that ninja is a person trained primarily in stealth, espionage, assassination and the Japanese martial art of ninjutsu while spies is plural of lang=en.

As verbs the difference between ninja and spies

is that ninja is to act in the manner of a ninja, especially in the areas of speed and power while spies is third-person singular of spy.

As a noun spie is

.

As a noun taxonomy

is the science or the technique used to make a classification.

As a noun ninjitsu is

.

As a noun kunai is

a japanese tool and weapon, possibly derived from the masonry trowel, used as a weapon by ninja (or samurai).

As an adjective ninjalike is

resembling or characteristic of a ninja.

As a noun credit

is credit.