Grandeur
Un buste de grandeur naturelle = A life-size bust.
Gré
*Bon gré, mal gré = Whether you wish or not; Nolens volens; Willy-nilly.
Cette maison a été vendue de gré à gré = That house was sold by private contract.
Il le fera de gré ou de force = He will have to do it whether he likes it or not.
Il venait moitié de gré, moitié de force = He came somewhat reluctantly.
De son plein gré = Of his own accord.
De plein gré = Voluntarily.
Nous vous en saurons bon gré = We shall be obliged to you for it.