suspiciousness

is likely misspelled.

has no English definition.

As a noun suspiciousness

is the state or quality of being suspicious.

As a noun suspiciousness

is the state or quality of being suspicious.

As an adverb suspiciously is

in a way suggesting suspicion.

As nouns the difference between suspiciousness and suspicion

is that suspiciousness is the state or quality of being suspicious while suspicion is (act of suspecting something or someone, especially of something wrong)The act of suspecting something or someone, especially of something wrong.

As a verb suspicion is

to suspect; to have suspicions.

As nouns the difference between auspiciousness and suspiciousness

is that auspiciousness is the state or quality of being auspicious or successful while suspiciousness is the state or quality of being suspicious.