stedfast an obsolete spelling (Shakespeare, Milton, etc) of steadfast

• disintermediation
• disinterment
• disinterments
• disinterred
• disinterring
• disinters
• disinthral
• disintricate
• disintricated
• disintricates
• disintricating
• disinure
• disinured
• disinures
• disinuring
• disinvent
• disinvented
• disinventing
• disinvents
• disinvest
• disinvested
• disinvesting
• disinvestiture
• disinvestitures
• disinvestment