- Under-resourced Adj.
- Under-screen Adj.
- Under-tempered Part. Perf.
- Under-the-table Adj. Adv.
- Under-tighten Verb
- Under-tightening Subst. Part. Präs.
- Underachieve Verb
- Underachievement Subst. Adj.
- Underachiever Subst. Adj.
- Underachieving Adj. Subst.
- Underact Verb
- Underacting Subst. Part. Präs.
- Underactive Adj.
- Underactivity Subst.
- Underactor Subst.
- Underage Adj. Subst.
- Underaging Subst. Adj.
- Underappreciated Adj.
- Underappreciation Subst.
- Underarm Adj. Subst. Adv.
- Underarmed Adj.
- Underassessed Adj.
- Underbaked Adj.
- Underbalance Subst. Verb
- Underbalanced Part. Perf.
- Underbarrel Subst. Adj.
- Underbedding Subst. Part. Präs.
- Underbelly Subst. Adj.
- Underbid Subst. Verb Part. Perf.
- Underbidder Subst. Adj.
- Underbidding Subst. Part. Präs.
- Underblanket Subst. Adj.
- Underboarding Subst. Adj.
- Underbody Subst. Adj.
- Underbooked Adj.
- Underbreaking Subst. Part. Präs.
- Underbred Adj. Part. Perf.
- Underbridge Subst. Adj.
- Underbrush Subst. Adj.
- Underbudgeted Adj. Part. Perf.
- Underbunching Subst. Adj.
- Underburn Verb Subst.
- Underburned Part. Perf.
- Underburning Subst. Part. Präs.
- Underbust Subst. Adj.
- Underbuy Verb Part. Perf.
- Undercapacity Subst. Adj.
- Undercapitalise Verb
- Undercapitalised Adj.
- Undercapitalization Subst. Adj.
- Undercapitalize Verb Part. Perf.
- Undercapitalized Adj.
- Undercarriage Subst. Adj.
- Undercast Subst. Verb
- Undercharge Subst. Verb Part. Perf.
- Undercharged Adj.
- Undercharging Subst. Part. Präs.
- Underclad Adj. Verb
- Underclass Subst. Adj.
- Underclassman Subst. Adj.