boxtops
startle
abdomen abysmal
tiptoes
geneticsenatorlengthsjanitormonitormonster
figures
bladderblessedblubberbraggedbrittlechannelchappedchoppedchippedchipperclipperclutterdresseddrippeddribbledroppedflaggedflannelflapperflatterflippedflipperfloppedflossedflutterglitterglossedgrammargriddlegrilledgrippedplatterprattlepressedquibblequitterscatterscuffleshelledshimmershippedshoppedshoppershuddershuffleshuttleskippedskipperslappedslippedslippersmelledsmugglesnugglesnapperstammersteppedstiffedstifferstoppedstopperswimmerthinnertrappedtrimmertrippedtwitter
spotted, between
captaincupfulshippiesnephewspeppersriptiderupturezipping
Garbage
Chasten
pointer
One example of a seven-letter word with a 'u' as the fifth letter is "culture." Another example is "trusted." These words follow the pattern of having the letter 'u' in the fifth position while being seven letters long.