Synonyms of incognito

1 Syllable
x, qt
2 Syllables
backstairs, hidden, unknown, incog, bearded, masked, whatsis, covert
3 Syllables
concealed, pseudonyms, unsigned, unnamed, so-and-so, such-and-such, untitled, nameless, disguised, obscure, unclaimed, pseudonym, undubbed, unfamed, unnoted
4 Syllables
camouflaged, anonymous, masquerading, unexplained, unperceived, huggermugger, unavowed, undercover, isolated, unattested, uncredited
5 Syllables
under-the-table, unrecognized, whatchamacallit, unascertained, unapprehended, uncelebrated, innominate, unacknowledged, undesignated