The word 
is a valid scrabble word
- ell n. (historical) A measure for cloth. An English ell equals 1.25 yards, whereas a Scottish ell measures…
- ell n. The name of the Latin-script letter L/l.
- ell n. An extension usually at right angles to one end of a building.
25 valid words from 3 definitions
AN ANGLES AT BUILDING CLOTH ELL END ENGLISH EQUALS EXTENSION FOR HISTORICAL LETTER MEASURE MEASURES NAME OF ONE RIGHT SCRIPT THE TO USUALLY WHEREAS YARDS
2 invalid words from 3 definitions
LATIN SCOTTISH
One word in word
EL
9 cousins
ALL EEL ELD ELF ELK ELM ELS ELT ILL
One lipogram
EL
21 suffixes
ELLS ELLOPS ELLAGIC ELLIPSE ELLWAND ELLIPSES ELLIPSIS ELLIPTIC ELLOPSES ELLWANDS ELLIPSOID ELLIPSOIDS ELLIPTICAL ELLIPSOIDAL ELLIPTICALS ELLIPTICITY ELLIPSOGRAPH ELLIPTICALLY ELLIPSOGRAPHS ELLIPTICITIES ELLIPTICALNESS
2479 times in the middle
BELLE BELLS BELLY CELLA CELLI CELLO CELLS DELLS DELLY FELLA FELLS FELLY GELLY HELLO HELLS JELLO JELLS JELLY KELLS KELLY MELLS NELLY PELLS SELLA SELLE SELLS TELLS TELLY VELLS WELLS WELLY YELLS BELLED BELLES BELLOW CELLAE CELLAR CELLED CELLOS DUELLI DUELLO DWELLS FELLAH FELLAS FELLED FELLER FELLOE FELLOW GELLED HELLED
144 prefixes
BELL CELL DELL FELL HELL JELL KELL MELL PELL SELL TELL VELL WELL YELL DWELL KNELL KVELL QUELL SHELL SKELL SMELL SNELL SPELL STELL SWELL BEDELL BEFELL EISELL FAVELL LOZELL MERELL MICELL NEWELL REFELL RESELL RETELL SORELL UNSELL UNWELL UPWELL AINSELL BARBELL BORRELL BURRELL CARRELL COWBELL DRYWELL ENSHELL FANNELL INDWELL
16 anagrams plus one
+A LEAL
+B BELL
+C CELL
+D DELL
+F FELL
+H HELL
+J JELL
+K KELL
+M MELL
+P PELL
+S ELLS SELL
+T TELL
+V VELL
+W WELL
+Y YELL