Heard spelling

ginecium

Spelled gynoecium. two changes at once

Is it gynoecium or ginecium?

Gynoecium. Ginecium drops two letters that both earn their place: the y of gyne and the o of oikos.

Say

guy-NEE-see-um, and jy-NEE-see-um is heard just as often

Letters

G-Y-N-O-E-C-I-U-M