Synonyms to screw up

affix, IC analysis, accidence, add, adjoin, affixation, agglutinate, allomorph, allonge, anchor, annex, append, appendix, attach, belay, bound morpheme, burden, cement, cinch, clamp, clinch, coda, codicil, commentary, complicate, conjoin, conjugation, cramp, cutting, declension, decorate, derivation, difference of form, enclitic, encumber, engraft, envoi, epilogue, fasten, fix, formative, free form, glue on, graft, grapple, hitch on, immediate constituent analysis, infix, infixation, inflection, interlineation, interpolation, join with, knit, make fast, marginalia, moor, morph, morpheme, morphemic analysis, morphemics, morphology, morphophonemics, note, ornament, paradigm, paste on, plus, postfix, postscript, prefix, prefixation, proclitic, put to, put with, radical, rider, rivet, root, saddle with, scholia, secure, set, set to, slap on, stem, subjoin, suffix, suffixation, superadd, superpose, tack on, tag, tag on, tail, theme, tighten, trice up, trim, unite with, word-formation, Baldt anchor, Navy anchor, Northill anchor, anchorage, batten, batten down, berth, billet at, bin