con·cord 
(kŏnkôrd′, kŏng-)
(kŏnkôrd′, kŏng-)n.
1. Harmony or agreement of interests or feelings; accord.
2. A treaty establishing peaceful relations.
3. Grammar Agreement between words in person, number, gender, or case.
4. Music A harmonious combination of simultaneously sounded tones.
[Middle English concorde, from Old French, from Latin concordia, from concors, concord-, agreeing : com-, com- + cor, heart; see kerd- in the Appendix of Indo-European roots.]
- acoustooptical
- acoustooptically
- acoustooptics
- ACP
- acpt.
- acquaint
- acquaintance
- acquaintance rape
- acquaintanceship
- acquainted
- acquiesce
- acquiescence
- acquiescent
- acquiescently
- acquirable
- acquire
- acquired
- acquired character
- acquired immune deficiency syndrome
- acquired immunity
- acquired taste
- acquirement
- acquirer
- acquisition
- acquisitive