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There are 12 ten-letter words beginning with HEPTA

HEPTACHLORheptachlor n. An organochlorine compound formerly used as an insecticide.
HEPTACHLOR n. a very toxic pesticide.
HEPTACHORDheptachord n. (Music) A system of seven sounds.
heptachord n. (Music) A lyre with seven chords.
heptachord n. (Poetry) A composition sung to the sound of seven chords or tones.
HEPTAGLOTSheptaglots n. Plural of heptaglot.
HEPTAGLOT n. a book written in seven languages.
HEPTAGONALheptagonal adj. Having seven angles and sides.
heptagonal adj. (Mathematics, of a number) Belonging to the sequence generated by the formula (5𝑛2−3𝑛)/2.
HEPTAGONAL adj. having seven angles or sides.
HEPTAHEDRAheptahedra n. Plural of heptahedron.
HEPTAHEDRON n. a solid figure having several plane faces.
HEPTAMETERheptameter n. A line or verse containing seven metrical feet.
HEPTAMETER n. a verse line of seven feet.
HEPTAPODICHEPTAPODIC adj. of a verse, having seven feet.
HEPTARCHALHEPTARCHAL adj. of or like a heptarchy, government by seven persons, also HEPTARCHIC.
HEPTARCHICheptarchic adj. Of or pertaining to a heptarchy.
HEPTARCHIC adj. of or like a heptarchy, government by seven persons, also HEPTARCHAL.
HEPTASTICHheptastich n. (Poetry) A composition consisting of seven lines or verses.
HEPTASTICH n. a poem, strophe, or stanza that consists of seven lines.
HEPTATHLONheptathlon n. (Athletics) An athletic contest comprising seven events; contested mostly by women, for whom this is an Olympic sport.
HEPTATHLON n. an athletic competition with seven events.
HEPTATONICheptatonic adj. (Music) Describing a mode or scale that has seven pitches in an octave.
HEPTATONIC adj. of a musical scale, containing seven notes.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the WikWik.org and 1Word.ws.

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See this list for:

  • English Wiktionary: 40 words
  • Scrabble in French: 7 words
  • Scrabble in Spanish: 7 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: 11 words


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