Syn- \Syn-\ [Gr. sy`n with.]
A prefix meaning with, along with, together, at the same time. Syn- becomes sym- before p, b, and m, and syl- before l. Source: Webster's Revised Unabridged Dictionary (1913
Without.
In the word "synthesis" the "syn" part is a prefix. This prefix means "with" and is derived from the Greek language.
Examples of words with the prefix 'syn' are:synagoguesynapsesynchronizesyndicationsyndromesynergysynonymsynonymoussyntaxsynthesizesyntheticsynonym, synthetic, synchronize
the prefix of synchronize is syn
syn, sym, y
synonym, synchronize, synthesis, synoptic, etc. (syn means with or together.)
Synchronize, syndicate
the prefix is syn meaning together the root is chron meaning time
the same or close to the same
semi-, spiro-, sub-, super-, syn-, sym- etc
asynapsesasynapsisasynchroniesasynchronismasynchronismsasynchronousasynchronouslyasynchronyasyndetaasyndeticasyndeticallyasyndetonasyndetonsbiosynthesesbiosynthesisbiosyntheticbiosyntheticallybusynessbusynesseschemosyntheseschemosynthesischemosyntheticeleemosynaryeugeosynclinaleugeosynclineeugeosynclinesgeosynchronousgeosynclinalgeosynclinegeosynclinesidiosyncrasiesidiosyncrasyidiosyncraticidiosyncraticallylangsynelangsynesmonosynapticmonosynapticallynonsynchronousnucleosynthesesnucleosynthesisnucleosyntheticparasynthesesparasynthesisparasyntheticphotosynthatephotosynthatesphotosynthesesphotosynthesisphotosynthesizephotosynthesizedphotosynthesizesphotosynthesizingphotosyntheticphotosyntheticallypolysynapticpolysynapticallypolysyndetonpolysyndetonspostsynapticpostsynapticallypostsyncpostsyncedpostsyncingpostsyncspresynapticpresynapticallypsychosynthesespsychosynthesisresynthesesresynthesisresynthesizeresynthesizedresynthesizesresynthesizingselsynselsynssemisyntheticsinsynesynsynaeresessynaeresissynaesthesessynaesthesiasynaesthesiassynaesthesissynagogsynagogalsynagogssynagoguesynagoguessynalephasynalephassynaloephasynaloephassynanonsynanonssynapsesynapsedsynapsessynapsidsynapsidssynapsingsynapsissynapticsynapticallysynaptosomalsynaptosomesynaptosomessynarthrodialsynarthrosessynarthrosissyncsyncarpsyncarpiessyncarpoussyncarpssyncarpysyncategorematicsyncategorematicallysyncedsynchsynchedsynchingsynchrosynchrocyclotronsynchrocyclotronssynchromeshsynchromeshessynchronalsynchroneitiessynchroneitysynchronicsynchronicalsynchronicallysynchronicitiessynchronicitysynchroniessynchronisationsynchronisationssynchronisesynchronisedsynchronisessynchronisingsynchronismsynchronismssynchronisticsynchronizationsynchronizationssynchronizesynchronizedsynchronizersynchronizerssynchronizessynchronizingsynchronoussynchronouslysynchronousnesssynchronousnessessynchronysynchrossynchroscopesynchroscopessynchrotronsynchrotronssynchssyncingsynclinalsynclinesynclinessyncomsyncomssyncopalsyncopatesyncopatedsyncopatessyncopatingsyncopationsyncopationssyncopativesyncopatorsyncopatorssyncopesyncopessyncopicsyncreticsyncretisesyncretisedsyncretisessyncretisingsyncretismsyncretismssyncretistsyncretisticsyncretistssyncretizesyncretizedsyncretizessyncretizingsyncssyncytiasyncytialsyncytiumsyndactyliessyndactylismsyndactylismssyndactylysyndesessyndesissyndesisessyndesmosessyndesmosissyndetsyndeticsyndeticallysyndetssyndicsyndicalsyndicalismsyndicalismssyndicalistsyndicalistssyndicatesyndicatedsyndicatessyndicatingsyndicationsyndicationssyndicatorsyndicatorssyndicssyndromesyndromessynesynecdochesynecdochessynecdochicsynecdochicalsynecdochicallysynecologicalsynecologiessynecologysynecticsyneresessyneresissynergeticsynergiasynergiassynergicsynergicallysynergidsynergidssynergiessynergismsynergismssynergistsynergisticsynergisticallysynergistssynergysynesissynesisessynesthesiasynesthesiassynestheticsynfuelsynfuelssyngamicsyngamiessyngamysyngassyngasessyngassessyngeneicsynizesessynizesissynkaryasynkaryonsynkaryonssynodsynodalsynodicsynodicalsynodssynonymsynonymesynonymessynonymicsynonymicalsynonymiessynonymistsynonymistssynonymitiessynonymitysynonymizesynonymizedsynonymizessynonymizingsynonymoussynonymouslysynonymssynonymysynopsessynopsissynopsizesynopsizedsynopsizessynopsizingsynopticsynopticalsynopticallysynostosessynostosissynoviasynovialsynoviassynovitissynovitisessyntacticsyntacticalsyntacticallysyntacticssyntagmasyntagmassyntagmatasyntagmaticsyntaxsyntaxessynthsynthesessynthesissynthesistsynthesistssynthesizesynthesizedsynthesizersynthesizerssynthesizessynthesizingsynthetasesynthetasessyntheticsyntheticallysyntheticssynthssyntonicsyntoniessyntonysynurasynuraetenosynovitistenosynovitisesunsynchronized
Con-, com-, or co- is the Latin-derived prefix denoting the condition of being or doing together; syn- or sym- is the Greek-derived equivalent.