TSAREVITCH is validvalid

[n TSAREVITCHES]

143,229 of 196,601 in NWL2023·also valid in CSW24

(Russian) the eldest son of a tsar, heir to the tsardom, also CESAREVICH, CESAREVITCH, CESAREWICH, CESAREWITCH, TSESAREVICH, TSESAREVITCH, TSESAREWICH, TSESAREWITCH [n -ES]