EIGENFREQUENCY
EIGENFUNCTION
EIGENFUNCTIONS
EIGENMODE
EIGENMODES
EIGENTONE
EIGENTONES
EIGENVALUE
EIGENVALUES
EIGENVECTOR
EIGENVECTORS
EIGHT
EIGHTBALL
EIGHTBALLS
EIGHTEEN
EIGHTEENMO
EIGHTEENMOS
EIGHTEENS
EIGHTEENTH
EIGHTEENTHLY
EIGHTEENTHS
EIGHTFOIL
EIGHTFOILS
EIGHTFOLD
EIGHTFOOT
EIGHTH
EIGHTHLY
EIGHTHS
EIGHTIES
EIGHTIETH
EIGHTIETHS
EIGHTPENCE
EIGHTPENCES
EIGHTPENNY
EIGHTS
EIGHTSCORE
EIGHTSCORES
EIGHTSMAN
EIGHTSMEN
EIGHTSOME
EIGHTSOMES
EIGHTVO
EIGHTVOS
EIGHTY
EIGNE

45 words start with EIG.