- Adaptometer Noun
- Adaptor Noun
- Adatom Noun
- Adaxial Adj
- Add Verb Noun
- Add back Verb
- Add in Verb
- Add on Verb
- Add up Verb
- Add-in Noun
- Add-on Noun Adj
- Addax Noun
- Added Adj
- Addedly Adv
- Addend Noun
- Addendum Noun
- Adder Noun
- Adder-accumulator Noun
- Adder-subtracter Noun
- Adder-subtractor Noun
- Addersubtracter Noun
- Addict Noun Verb
- Addicted Adj
- Addicting Adj
- Addiction Noun
- Addictive Adj
- Addictively Adv
- Addictiveness Noun
- Adding Noun
- Addison Noun
- Addison's Noun
- Addisonian Adj Noun
- Addisonic Adj
- Addisonism Noun
- Additament Noun
- Addition Noun
- Additional Adj
- Additionality Noun
- Additionally Adv
- Additive Adj Noun
- Additively Adv
- Additivity Noun
- Additur Noun
- Addle Adj Verb
- Addle-brained Adj
- Addle-head Noun
- Addle-pate Noun
- Addled Adj
- Addlehead Noun
- Addlement Noun
- Addling Adj
- Address Noun Verb
- Addressability Noun
- Addressable Adj
- Addressed Adj
- Addressee Noun
- Addresser Noun
- Addressing Noun
- Addressless Adj
- Addressograph Noun