Particular
Part of speech: noun
Definition: A particular thing.
Part of speech: adjective
Definition: Pertaining only to a part of something; partial. Specific; discrete; concrete. Specialised; characteristic of a specific person or thing. Known only to an individual person or group; confidential. Distinguished in some way; special (often in negative constructions). Of a person, concerned with, or attentive to, details; minute; precise; fastidious.
Example sentence: I'm not that conservative. I do feel - I guess I'm more of a Democrat at heart, although I've never affiliated myself with a particular party.
Specific
Part of speech: noun
Definition: A distinguishing attribute or quality.Something particularly adapted for a particular use, as a remedy for a particular disorderSpecificationThe details; particulars.
Part of speech: adjective
Definition: explicit or definiteof, or relating to a speciespertaining to a taxon at the rank of speciesspecial, distinctive or uniqueintended for, or applying to a particular thingbeing a remedy for a particular diseaselimited to a particular antibody or antigena value divided by mass (e.g. specific orbital energy)similarly referring to a value divided by any measure which acts to standardize it (e.g. thrust specific fuel consumption, referring to fuel consumption divided by thrust)a measure compared with a standard reference value by division, to produce a ratio without unit or dimension (e.g. specific refractive index is a pure number, and is relative to that of air)
Example sentence: No punishment has ever possessed enough power of deterrence to prevent the commission of crimes. On the contrary, whatever the punishment, once a specific crime has appeared for the first time, its reappearance is more likely than its initial emergence could ever have been.