tufa /tooˈfə, tūˈfə/

1. Calc-sinter (often calcareous tufa)
2. Tuff or other porous rock (obsolete)

• unanchored
• unanchoring
• unanchors
• unaneled
• unanimated
• unanimities
• unanimity
• unanimous
• unanimously
• unannealed
• unannotated
• unannounced
• unanswerable
• unanswerableness
• unanswerably
• unanswered
• unanticipated
• unanxious
• unapologetic
• unapostolic
• unapostolical
• unapostolically
• unappalled
• unapparel
• unapparelled