Change a single letter and form a new word

deep

deem

deer

dire

rude

dura

aura

area

aria

raid

ride

hide

dies

dais

said

maid

dame

read

rads

[ot]For new players, the instructions for this game are:
Change just ONE letter and/or rearrange the letters and form a new 4-letter word.
No proper names, brand names, trademarks, or acronyms please.

For those who are interested in challenging themselves to find words that have not been used before (if possible), this is an alphabetical list of words used thus far:

able , aced , apes , apex , area , aria , arts , aura , back , bait , bark , bats , bear , beat , beep , beer , bind , bits , blab , blob , blue , boar , boat , boil , bolt , bone , book , brat (+1) , buck (+1) , bull , bunk , cake , cape , care , cars , cast , cats , cede , cent , chip (+1) , chop , cite , city , clad , clap , clip , clue , coal , coat , code , coil , cold (+1) , colt (+1) , cook , cool (+2) , cope , cops , cord , core , cork , cost , crab , crap , craw , crop , cull , cult , cyst , dais , dame (+1) , damn , dare , dark , date , dead , deal , dear , deck , deed , deem , deep , deer (+1) , dice , died , dies , ding , dire , doll , dome , done , dong (+1) , dots , drab , drat , draw , drop , dual , duck (+1) , dude , duel , dues , duke (+1) , dune , dura , east (+1) , easy , eats , emit , exit , face , fake , fame , fare , fart , fear , feat , feel , felt , fled , flip , foal , fold , fool , fowl , fuse , gain , gear , gene , gets , glad , glop , goad , goal , gone (+1) , gong , grab , grin , gull , gulp , heal , hear , heat , heel , help , herd , here , hero , hick , hide , hoar , iota , item , jest , kale , keep (+1) , kerb , kiss , kite , knee , knot , know , lace , lake , last , late , leaf , leap , left , legs , lest , lice , lick , lien , lime , link , lips , list , loaf , loan , loft , lone , long (+1) , look , lore (+1) , love , luau , luck , lung , lute , mace , made , maid , make , mane , mare , mate , maul , mead , meal , melt , mend , mess (+1) , mile , milk (+1) , mind , mine , mint , mire , miss , moan , moat , mode , mole , molt , mops , muck , mule , name , nape , naps , neck , nice , nine , nixe , node , nope , nose , note , nuke , oars , oats , oops , oral , oreo , ours , pace , pale , pane , pans , pare , park , part , past , peal , pear (+1) , peek , peep , peer , pegs , pelt , pens , perk , pest , pets , pick (+1) , pike , pine , ping , pins , pits , plug , plum , plus , pole (+2) , poll , polo , pome , pone , pong , pool (+1) , poor , pore , port , pose , post , pots (+1) , pour , pout , prat , prod , prop , puck , pule , pull (+1) , pulp , pure , quad , quay , race , rack , rads , rage , rags , raid , rain , rate , rats (+1) , read (+2) , real , reap (+1) , rear , reed , rein , rend , rent , rest , ride (+1) , rind , ring , ripe , rite , road , roar , rode , roil , role , roll , rose , rote , rots , rude (+1) , runt , sack , safe , said , same , saps , scar , seal , sear , seep , seer , sent , sets , sews , sick , side , silk , silt , sips , site , skim , skit , sled , slim , slop , slue , snap , snit , soak , soap (+1) , sock , soft , solo , song (+1) , sore , sort , sour , spam , spat , spit , spot , star (+1) , stem , step , stew , stir , stop , tabs , tack , tags , tail , take , tale , taps , tare , tarp , tart , teal , tear , test , tick , tide , tier , time , tine , tins , tint , tips (+1) , toad , tock , toil , told , toll , tome , tops (+1) , toss , trap , tree , trek , trip , tuck , tune , twin , tyke , tyre , ules , unit (+1) , user , uses , vest , vice , wake , weep , weld , welp , wets , wind (+1) , wine , woes , wrap , xine , yaul , year , yuck , zest

(Note: the number in parenthesis indicates the number of times the word has been repeated.)
[/ot]

days