er. ever
era, 
eradiate, 
eradiation
eradicate  , , 
eradication, 
erase, , 
eraser, 
erasure, , 
erbium
ere, , ere long 
Erebus,  ,  
erect, , 
erectile ,  , erectile tissue  
erection, , 
erector, , 
erelong
eremite, , 
eremitic, 
eremitical, 
erenow, 
erethism,     
erf   
erg
ergo. , 
ergon= erg
ergonomics
ergot
ergotism 
erica
Erin
eristic , ,  
ermine, to assume the ermine   
erne-
erode, , 
erogenous, 
Eros, 
erosion, , 
erosive,  , 
erotic, ,  
eroticism, 
err, , to err is human   
errancy
errand, , to go on an errand 
errandboy  , , 
errant, , 
errantry  
errata erratum,  
erratic, , 
erratum, 
erring err, , 
erroneous, , erroneous policies  
error, , to make an error  
ersatz, , 
Erse  ,   
erst, 
erstwhile, , 
erubescent, 
eructate, , 
eructation, 
erudite, , 
erudition, , 
erupt(), , 
eruption, , 
eruptive, , 
erven erf
erysipelas,  
erythema
