covertly

As a letter s

is the letter s with a.

As an adverb covertly is

in a covert manner, secretly.

As adverbs the difference between covertly and sneakily

is that covertly is in a covert manner, secretly while sneakily is in a sneaky manner.

As an adverb covertly

is in a covert manner, secretly.

As an adjective undefined is

lacking a definition or value.

As adverbs the difference between covertly and discretely

is that covertly is in a covert manner, secretly while discretely is as a separate independent unit.

As adverbs the difference between furtively and covertly

is that furtively is in a furtive manner while covertly is in a covert manner, secretly.

As adverbs the difference between covertly and stealthily

is that covertly is in a covert manner, secretly while stealthily is in a stealthy manner, furtively.

As an adverb covertly

is in a covert manner, secretly.

As a noun slash is

a swift cut with a blade, particularly with fighting weapons as a sword, saber, knife etc.

As a verb slash is

to cut violently across something with a blade such as knife, sword, scythe, etc.

As a conjunction slash is

.

As adverbs the difference between covertly and overtly

is that covertly is in a covert manner, secretly while overtly is in an overt manner; publicly; openly.

As an adverb covertly

is in a covert manner, secretly.

As a noun hyphenator is

one who, or that which, hyphenates.