sevocationn.

/sɛvəˈkeɪʃən/Etymology: noun of action < Latin sēvocāre: see sevoke v. and -ation suffix.
rare. Apparently only attested in dictionaries or glossaries.
1623 H. Cockeram ii A Calling aside, Seuocation.
1656 in T. Blount
This entry has not yet been fully updated (first published 1913; most recently modified version published online June 2021).