AID - Help; assistance; succor, relief.
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.
DAM - Structure placed across a flowing body of water to stop the flow.
DAY - Any period of 24 hours.
DIM - Not bright or colorful.
MAD - Insane; crazy, mentally deranged.
MAY - The hawthorn bush or its blossoms.
MID - With.
WAD - An amorphous, compact mass.
WAY - A road, a direction, a (physical or conceptual) path from one place to another.
YAM - Any climbing vine of the genus Dioscorea in the Eastern and Western hemispheres, usually cultivated.
MAW - The stomach, especially of an animal.
AMID - Surrounded by; in the middle of; in the center of.
MAID - A girl or an unmarried young woman; maiden.
MIDWAY - The middle; the midst.