Words beginning with 'dec' are:
Positive words beginning with 'n' include:nicenobleneatnourishingnurturing
Decade, Decagon and Decatron
Words beginning wth M and ending with ING:makingmanagingmarchingmarkingmeaningmeltingmemorizingmentioningmentoringmigratingmissingmixingmovingmunching
Some positive words beginning with M are:melodiousmerrymildMargaritamannerlymommymagneticmemoriesmassagemellowmanageablemarigolds
Some five letter words beginning with F are:favorfirstfaithfilthfloorflameflukeframefrailforgefurorflood
DecadeDecathlonDecimalDecatronDecahedron
December, decoy
decahedron
decafdecaldecapitatedecaydeceitdeceasedDecemberdecencydecidedeckdeclaredecoy
Some words that use 'dec' to mean by or with ten are:decadedecagramdecahedrondecaloguedecameterdecapoddecasyllabicdecathalondecigramdeciliterdecimaldecimeter
Decem. (Dec- is the root that we use in constructing English words.)
December, decemeter
what words is start with dec
Some words beginning with 'sub' are:subjectsublimesubmitsubmarinesubletsubterraneansubmersesubsistsubservientsubduesubliminalsubmerge
Words beginning with you are limited to forms of you, youth and young. If you mean "Happy words beginning with a U sound," perhaps you refer to euphoric.
Words beginning with the letter A that have ghostly meanings include:apparitionapparitions
Positive words beginning with 'n' include:nicenobleneatnourishingnurturing