Word Unit: quali-, qualit- (Latin: of what sort; of what kind; how constituted)
Word Unit: quant-, quanti- (Latin: how much; as much as, how many; how great; amount)
Word Unit: quas- (Latin: to make void, annul; originally from the Latin meaning of, "to shake violently, to shatter")
Word Unit: quasi- (Latin: appearing as if, as it were, as though; somewhat like, resembling, seemingly; simulating; in a certain sense or degree)
Word Unit: quatr-, quart- (Latin: fourth, four)

Cross references of word families that are related, partially or totally, to: "four, fourth": quadri-; tessara-; tetra-.

Word Unit: quer-, quarr- (Latin: complain, complaint, full of complaints; lack of satisfaction; lament, cry of sorrow and grief)
Word Unit: querc-, querci- + (Latin: oak; used to designate any of a variety of chemical substances derived from oak bark or acorns)
Word Unit: quies-, -quiet-, -quit- (Latin: rest, calm, silent)

Cross references directly, or indirectly, involving "calm, calmness, peace, quiet": pac-, peac-; plac-; seren-.

Word Unit: quinqu-, quinqua-, quinque- (Latin: five, fifth; a word element for number 5)
Word Unit: quint-, quinti-, quintu-, quin- (Latin: fifth, five; a word element for 5)
Word Unit: quir-, quisit-, quis-, que-, quer-, quest-, -quirement, -quirable, -quisition, -quisitive (Latin: to ask, to seek)
Word Unit: quot- (Latin: how many)
Word Unit: Quotes: Ability, Part 1 (Use it, don't waste it!)
Word Unit: Quotes: Ability, Part 2 (Discover it, utilize it!)
Word Unit: Quotes: Absence, Separation (Making the heart grow fonder—for someone else.)
Word Unit: Quotes: Acts, Action (deeds not words; action speaks louder)
Word Unit: Quotes: Advertising, Publicity (a nourishment of consuming; too often a specialty of deception)
Word Unit: Quotes: Advice (suggestions; one of those situations where most people prefer to give than to receive)
Word Unit: Quotes: Ambition, Striving, Aspiration (driving to succeed; a get-ahead ache)
Word Unit: Quotes: Apathy, Indifference (Who Cares?)