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

• irremediably
• irremissibilities
• irremissibility
• irremissible
• irremissibleness
• irremissibly
• irremission
• irremissions
• irremissive
• irremovabilities
• irremovability
• irremovable
• irremovableness
• irremovablenesses
• irremovably
• irrenowned
• irrepairable
• irreparabilities
• irreparability
• irreparable
• irreparableness
• irreparablenesses
• irreparably
• irrepealabilities
• irrepealability