reconnaissance

As nouns the difference between reconnaissance and null

is that reconnaissance is the act of scouting or exploring (especially military or medical) to gain information while null is zero, nil; the cardinal number before einn.

As a letter s

is the letter s with a.

As a noun reconnaissance is

the act of scouting or exploring (especially military or medical) to gain information.

As nouns the difference between infiltration and reconnaissance

is that infiltration is the act or process of infiltrating, as of water into a porous substance, or of a fluid into the cells of an organ or part of the body while reconnaissance is the act of scouting or exploring (especially military or medical) to gain information.

As a noun reconnaissance

is the act of scouting or exploring (especially military or medical) to gain information.

As an adjective false is

(label) one of two states of a boolean variable; logic.

As nouns the difference between reconnaissance and prospection

is that reconnaissance is the act of scouting or exploring (especially military or medical) to gain information while prospection is the action of looking forward into the future formed by analogy with retrospection not in common use, but there is some modern use and the oed gives citation back to the 19th and 17th centuries.

As nouns the difference between reconnaissance and identification

is that reconnaissance is the act of scouting or exploring (especially military or medical) to gain information while identification is the act of identifying, or proving to be the same.

As a noun reconnaissance

is the act of scouting or exploring (especially military or medical) to gain information.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between reconnaissance and ferret

is that reconnaissance is the act of scouting or exploring (especially military or medical) to gain information while ferret is an often domesticated mammal rather like a weasel, descended from the polecat and often trained to hunt burrowing animals or ferret can be (dated) a tape of silk, cotton, or ribbon, used to tie documents, clothing, etc or along the edge of fabric.

As a verb ferret is

to hunt game with ferrets.

As a verb reconcile

is to restore a friendly relationship; to bring back to harmony.

As a noun reconnaissance is

the act of scouting or exploring (especially military or medical) to gain information.

As nouns the difference between reconnaissance and intelligence

is that reconnaissance is the act of scouting or exploring (especially military or medical) to gain information while intelligence is capacity of mind, especially to understand principles, truths, facts or meanings, acquire knowledge, and apply it to practice; the ability to learn and comprehend.