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

• monochromatic
• monochromatically
• monochromatism
• monochromatisms
• monochromator
• monochromators
• monochromats
• monochrome
• monochromes
• monochromic
• monochromies
• monochromist
• monochromists
• monochromy
• monocle
• monocled
• monocles
• monoclinal
• monocline
• monoclines
• monoclinic
• monoclinous
• monoclonal
• mono-compound
• mono-compounds