- Declare Verb Noun
- Declass Verb Noun Adj
- Declassify Verb
- Decline Noun Verb Adj
- Declutch Verb
- Decoct Verb Past Participle
- Decode Verb Noun Adj
- Decohere Verb
- Decoke Verb Noun
- Decollate Verb Adj
- Decollimate Verb Past Participle
- Decolonise Verb
- Decolonised Adj Verb
- Decolonize Verb
- Decolor Verb
- Decolorate Adj Verb Past Participle
- Decolorize Verb Past Participle Pres. Participle
- Decolour Verb
- Decolourise Verb Past Participle Pres. Participle
- Decolourize Verb
- Decommission Verb Noun
- Decompensate Verb
- Decompile Verb Noun
- Decompose Verb
- Decompound Adj Verb
- Decompress Verb
- Deconcentrate Verb Past Participle Pres. Participle
- Decondition Verb
- Decongest Verb
- Deconsecrate Verb
- Deconstruct Verb
- Decontaminate Verb
- Decontextualize Verb
- Decontrol Noun Verb Adj
- Deconvolve Verb Pres. Participle Past Participle
- Decorate Verb
- Decorrelate Verb
- Decorticate Adj Verb
- Decorticated Adj Verb
- Decouple Verb
- Decoy Noun Verb Adj
- Decrater Noun Verb
- Decrease Noun Verb
- Decree Noun Verb Adj
- Decrement Noun Verb Adj
- Decrepitate Verb
- Decrescendo Noun Adj Adv Verb
- Decriminalise Verb
- Decriminalize Verb
- Decriminalized Adj Verb
- Decrown Verb
- Decry Verb
- Decrypt Verb
- Decrystallize Verb
- Decuple Adj Noun Verb Adv
- Decussate Adj Verb Past Participle Pres. Participle
- Dedicate Verb
- Dedifferentiate Verb
- Deduce Verb
- Deduct Verb