Space and apace are.
step.
yetis, antis, Artis
thief, grief, proof
pod is not a "five letter" word as asked for. "tripod" is a correct answer to the question "what is a five letter word ending in OD"
Some five letter words ending in AT are:bleatbloatcaratcheatcleatfloatgloatpleatsplatsquatsweattreatwheat
Some five letter words ending in k include:slackstackstinkstunktrucktrunk
Five letter words starting with H and ending in H are:hatchhaughfeathheighheuchheughhitchhoochhunchhutchhumphhorahhotchharsh, heath.
cOOEE
Some five letter words ending in H are:batchbeachbelchbirchbirthblushbrashbrushbunchcatchcoachconchcouchcrashcrushdeathearthfetchfifthflashfleshflushforthfreshgnashhatchlatchlunchlurchmarshmatchmorphneathninthnorthpeachperchplushpoochporchreachsixthslushsoothsouthteachtenthtoothtruthyouth
Five letter words ending in U are bayou and snafu.
It would depend on the letters in the word. The theoretical maximum is 325 words from 5 different letters: 120 five-letter words, 120 four-letter words, 60 three-letter words, 20 two-letter words, 5 one-letter words (including acronyms) made by listing the letters in every possible order (abcde, abced, ..., edcba and ending with a, b, c, d, e). For most sets of 5 letters, the number is a fraction of that, from 20 to 40 words.
motif
Some five letter words ending in "l" include:availlevelwheeltrialtrillbevelbroilspellspoilspillkrillpupil