syphiloid

is likely misspelled.

has no English definition.

As an adjective syphiloid

is resembling syphilis.

As a noun syphilid

is any of the cutaneous and mucous membrane lesions characteristic of secondary and tertiary syphilis.

As an adjective syphiloid is

(medicine) resembling syphilis.

As a noun taxonomy

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

As an adjective syphiloid is

resembling syphilis.