Crossword Heaven

Answer: XXXXXX

XXXXXX is a crossword puzzle answer that we have spotted 28 times.

• Iberian wine city
• "Macbeth" king
• Irascible
• Harridan
• Strawberry blond sister of Barbie
• 1960s-'70s series starring Efrem Zimbalist Jr.
• Material beyond the terrestrial plane, in medieval science
• Boo-boos
• Like citrus fruits
• Round Table assignments
• Newspaper columnist, humorously
• Anders Celsius and Greta Garbo, for two
• "Is Anybody Goin' to San ___" (#1 Charley Pride song)
• Alley flanker
• Antarctic summit between peaks named for faith and charity
• "___ Mater" (hymn)
• African capital
• Organic chemistry group
• Turns into mush
• Like much processed wheat
• Roman magistrates
• Food item named after an Austrian city
• Film set on Pandora
• Placid
• Self-image?
• Like the Palace of Versailles
• English landscapist famous for "The Burning of the Houses of Lords and Commons"
• Irritates