to admit to a mistake, crime, or secret

tank (military vehicle) (loanword)

to say something candidly or acknowledge a truth openly without reservation

open and sincere in expression or attitude

feeling at ease, composed, or unperturbed, often due to a clear conscience or acceptance of a situation

Albert Einstein (1879-1955), German-born theoretical physicist

frank, candid, and straightforward

level, even, and smooth, usually describing terrain, a road, or a surface

Stanford or Stamford (name of various people, places and organizations, notably Stanford University)

Stanley (name)

mentally relaxed, relieved, or free from worry

to confess, admit, or come clean about a mistake, crime, or fact, often in a frank or composed manner

RMS Titanic, British passenger liner that sank in 1912

large-minded and openhearted; honest and straightforward

Istanbul, Turkey

Titan (race of deities in Greek mythology, moon of Saturn etc)

Stanton (name)

to trust one another fully and treat each other with sincerity

a smooth, flat, and easy-to-travel highway or thoroughfare

Potsdam, near Berlin, Germany

to state or declare something candidly and openly without reservation

Constantinople, capital of Byzantium

a person from Pakistan

Austrian-British philosopher Ludwig Wittgenstein (1889-1951)

Tutankhamen, king of ancient Egypt (r. 1333-1323 BC)

Santander, capital of Spanish autonomous region Cantabria

Istanbul (Taiwan usage)

Yucatan (Mexican province)

tank (armored vehicle)

Tanganyika, a former territory in East Africa and one of the two components of Tanzania

Tutankhamen, king of ancient Egypt 1333-1323 BC

Marc Aurel Stein (1862-1943), a Hungarian-born British archaeologist known for his expeditions to Central Asia.

open and straightforward; not hiding one's thoughts or feelings

Rajasthan (state in India)

Yucatan Peninsula (Mexico)

Tampere (Swedish Tammerfors), Finland's second city

Jotham (son of Uzziah)

Konstanz (Germany)