There are 12 11-letter words that end with 'idal'.
| bipyramidal | chancroidal | ellipsoidal |
| metalloidal | meteoroidal | loculicidal |
| fratricidal | nematicidal | nematocidal |
| planetoidal | spermicidal | trapezoidal |
Note: These 12 11-letter words that end with 'idal' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with oidal, cidal, tidal, midal, nidal, sidal, bidal, didal, pidal, ridal, uidal.
5-letter words end with 'idal' (2)