ad/ add [æd]
ad– n. – an abbreviated form of advertisement
add – v. – 1. join together; 2. increase; 3. supplement
ads / adds / adz(e) [ædz]
adds – v. 3rd pres. sing. – 1. joins together; 2. increases; 3. supplements
adz(e) – n. & v. – n. – 1. a tool similar to an axe with an arched blade at right angles to the handle and used to remove the surface of wood; v. – cut with an adze
In this set, both the singular and plural of the first two have homophones. The plural of the third does not.
When one looks at an adze and what it can do, they may be reminded of an axe. Be careful. They are different tools….