Some four letter words that start with Z are:zanyzealzebu (domesticated ox)zerozestzetazinczingzitizonezonkzoom
Some four letter words starting with S and ending with F are:selfserfsurf
zapp
Some four letter words that start with Y are:yankyardyarnyawnyeahyearyellyelpyipeyogayokeyolkyoreyouryowlyuckyuleyurt
Some four letter words that start and end with O are:oleoOreoorzo
Some four letter words starting with A are:ableacreafarajaralsoaltoareaAsiaautoaxle
Some four letter words that start with Z are:zanyzealzebu (domesticated ox)zerozestzetazinczingzitizonezonkzoom
tzar
Some four letter words starting with S and ending with F are:selfserfsurf
zapp
Some four letter words starting with S using the letters DEELLORRY are:seedseersellsledsoldsore
Some four letter words that start with Y are:yankyardyarnyawnyeahyearyellyelpyipeyogayokeyolkyoreyouryowlyuckyuleyurt
Some four letter words starting with BL are:blabblewblobblowblagblogblocblowblipblurblotblue
Some four letter words that start and end with O are:oleoOreoorzo
Some four letter words that end with "o" are:zerohaloherohobointojudokiloalsoaltoautoechomemoontopolosilosolotacotarotrioundoveto
Some four letter words that start with WR are:wrapwrenwrit
Some four letter words for 'worn out' are bare, beat, dead, limp, shot, or done.