Letter: d
- decrepitude, debilitation, debility, decay, deterioration, dilapidation, disease, dotage, enervation, feebleness, incapacity, infirmity, malaise, old age, ruin, senescence

- decrescendo, a cappella, adagio, allegretto, allegro, andante, barely audible, collapse, crash, crescendo, deceleration, declension, decline, decline and fall, declining, decreasing

- decrier, cynic, debunker, disparager, hatchet man, knocker, muckraker, mudslinger, slanderer

- decry, abuse, accuse, anathematize, animadvert on, arraign, belittle, blame, bring down, bring into discredit, bring low, call to account, calumniate, cast blame upon, cast reflection upon, censure

- decrypt, break, crack, decipher, decode

- dedicate to, bestow, consume, devote, employ, expend, pass, put in, spend, use up, while away, wile

- dedicate, address, allot, apply, appropriate, assign, beatify, bless, canonize, cleanse, commit, confide, consecrate, consign, devote, direct

- dedicated, abandoned, afire, altruistic, ardent, beatified, blessed, bound, bound and determined, burning, canonized, committed, consecrated, constant, decided, decisive

- dedication, abandon, acknowledgements, address, adherence, allegiance, altruism, ardency, ardour, assigned task, assignment, back, back matter, bastard title, beatification, beatitude

- deduce, analyse, apply reason, arouse, assume, be afraid, believe, bring forth, bring out, bring to light, call forth, call out, call up, cogitate, collect, conceive

- deducible, a priori, deductive, dogmatic, following, sequential

- deduct, abate, abrade, abridge, abstract, allow, bate, charge off, collect, compress, conclude, curtail, cut, cut back, cut down, damp

- deductible, accident insurance, actuary, annuity, assurance, aviation insurance, bail bond, bond, business life insurance, casualty insurance, certificate of insurance, court bond, credit insurance, credit life insurance, endowment insurance, family maintenance policy

- deduction, a fortiori reasoning, a posteriori reasoning, a priori reasoning, abatement, ablation, abrasion, abridgement, abstraction, accord, addition, adjunct, affairs, affiliation, affinity, alleviation

- deductive power, IQ, apprehension, calibrate, calibre, capacity, comprehension, conception, ideation, intellect, intellectuality, intelligence quotient, knowledge, mentality, rationality, sanity

- deductive reasoning, analysis, deduction, demonstration, discourse, generalization, induction, inductive reasoning, inference, philosophy, proof, ratiocination, rationalism, rationality, rationalization, reason

- deductive, a fortiori, a posteriori, a priori, ablative, academic, analytic, categorical, conditional, conjectural, deducible, derivable, dialectic, discursive, dogmatic, erosive

- deed of trust, arrangement, bond, debenture, deed, indent, indenture, insurance policy, mortgage, policy, promissory note, recognizance, speciality

- deed over, alienate, amortize, assign, barter, bequeath, cede, confer, consign, convey, deed, deliver, exchange, give, hand, hand down

- deed poll, arrangement, bond, debenture, deed, indent, indenture, insurance policy, policy, promissory note, recognizance, speciality

- deed, accomplished fact, accomplishment, achievement, act, action, adventure, agreement, alien, alienate, amortize, arrangement, assign, bargain, barter, bequeath

- deeding, alienation, amortization, assignation, assignment, barter, cession, consignment, conveyance, deliverance, delivery, demise, disposal, disposition, exchange, giving

- deem trustworthy, confide in, depend on, rely on, repose, trust

- deem, account, account as, adjudge, adjudicate, allow, assume, be afraid, be judicious, believe, calculate, conceive, conclude, conjecture, consider, count

- deemed, alleged, assumed, given, granted, inferred, presumed, presumptive, putative, reputed, supposed, understood

- deeming, choice, discrimination, judicature

- deep as hell, abysmal, bottomless, cavernous, gaping, plunging, soundless, unfathomable, unfathomed, yawning

- deep asleep, asleep, comatose, dead, dormant, oblivious, out, sleeping, slumbering, unconscious

- deep bass, alto, baritone, bass, basso, canary, cantor, coloratura soprano, contralto, crooner, diva, opera singer, prima donna, singer, songbird, songster

- deep black, black, dark, ebony, inky, midnight, raven, sable, sloe
