Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
suf-fīgo (subf-), xi, xum, 3, v. a., to fasten beneath or below, to fasten or fix on, to affix (rare but class.): ecce aedificat: columnam mento suffigit suo, Plaut. Mil. 2, 2, 54 Ritschl N. cr.: antennae suffixit lintea, Luc. 9, 328: aureis clavis crepidas, Plin. 33, 3, 14, § 50: janua suffixa tigillo, Cat. 67, 39: trabes multo auro, Sen. Hippol. 497: cruci suffixus, * Cic. Pis. 18, 42: aliquem cruci, Vell. 2, 42 fin.; Suet. Caes. 74; Paul. Sent. 5, 23, 15: patibulo, Just. 22, 7, 8: patibulis, id. 30, 2, 7; App. M. 10, p. 244, 18: aliquem in cruce, Cat. 99, 4; Hor. S. 1, 3, 82; Auct. B. Afr. 66: aliquem in crucem, Just. 18, 7, 15: caput Galbae hastā suffixum, stuck upon a spear, Suet. Galb. 20; cf. Tac. H. 1, 49: spolia in suggestu fori, Flor. 1, 11: dona postibus, App. M. 6, p. 174.
Trop.: novos stimulos dolori, Sen. Phoen. 206.