AIM - The pointing of a weapon, as a gun, a dart, or an arrow, or object, in the line of direction with the object intended to be struck; the line of fire; the direction of anything, as a spear, a blow, a discourse, a remark, towards a particular point or object, with a view to strike or affect it.
INK - To apply a tattoo to (someone).
KIN - Race; family; breed; kind.
MAN - An adult male human.
ILK - The same.
MAM - Diminutive of mother.
MIL - An angular mil, a unit of angular measurement equal to 1/6400 of a complete circle. At 1000 metres one mil subtends about one metre (0.98 m). Also 1/6000 and 1/6300 are used in other countries.
NIL - Nothing; zero.
AIL - Painful; troublesome.
LAM - Used in the expression on the lam to mean that a person is fleeing law enforcement, possibly in hiding.
LINK - A connection between places, persons, events, or things.
MAIL - To send (a letter or parcel) through the mail.
MAIN - Great in size or degree; vast; strong; powerful; important.
MILK - A white liquid produced by the mammary glands of female mammals to nourish their young. From certain animals, especially cows, it is a common food for humans as a beverage or used to produce various dairy products such as butter, cheese, and yogurt.
MINK - Any of various semi-aquatic, carnivorous mammals in the Mustelinae subfamily, similar to weasels, with dark fur, native to Europe and America, of which two species in different genera are extant.
NAIL - To drive a nail.
AKIN - Of the same kin; related by blood.
LAIN - Past participle of lie (oriented in a horizontal position, situated).
LANK - Slender or thin; not well filled out; not plump; shrunken; lean.
MILKMAN - A man who delivers milk to households and sometimes businesses early in the morning.