rigi-, rig-
(Latin: stiff, hard, numb)
calcium rigor
corrigible
1. Capable of being corrected, improved, or reformed.
2. Etymology: from corrigere "to make straight, to correct", from com, "together" + regere, "to make straight, to lead, to guide, to conduct".
de rigueur
dirigible
frigidity
1. Lack of affection or enthusiasm: "Her frigidity was a strong signal that he should not try to be romantic with her."
2. The state or condition of being frigid or cold: "The frigidity of the climate was more than she could endure."
frigidness
1. Very cold in temperature: "The frigidness of the climate was not what we expected on our trip."
2. Without warmth of feeling; without ardor or enthusiasm: "There was a frigidness in the reaction to the suggested new law."
3. Stiff or formal: "The welcome that we received was polite but had some frigidness, too."
4. Unemotional or unimaginative; lacking passion, sympathy, or sensitivity.
heat rigor
incorrigible
regescent
regiment
rigid
rigidify
rigidity
rigidness
rigor