εὐχή G2171
euchḗ · yoo-khay' · Noun Feminine
from εὔχομαι; properly, a wish, expressed as a petition to God, or in votive obligation:--prayer, vow.
3 Occurrences in the King James Bible
Acts 18:18And Paul after this tarried there yet a good while, and then took his leave of the brethren, and sailed thence into Syria, and with him Priscilla and Aquila; having shorn his head in Cenchrea: for he had a vow.
Acts 21:23Do therefore this that we say to thee: We have four men which have a vow on them;
James 5:15And the prayer of faith shall save the sick, and the Lord shall raise him up; and if he have committed sins, they shall be forgiven him.