issei/ʹeesay, eeʹsay/ noun (pl issei) (isseis)

• expectance
• expectancy
• expectant
• expectation
• expected frequency
• expected value
• expectorant
• expectorate
• expedience
• expediency
• expedient
• expedite
• expedition
• expeditious
• expel
• expend
• expendable
• expenditure
• expense
• expense account
• expensive
• experience
• experienced
• experiential
• experiment