- Under-equip Verb Part. Perf.
- Under-tighten Verb
- Underachieve Verb
- Underact Verb
- Underbalance Subst. Verb
- Underbid Subst. Verb Part. Perf.
- Underburn Verb Subst.
- Underbuy Verb Part. Perf.
- Undercapitalise Verb
- Undercapitalize Verb Part. Perf.
- Undercast Subst. Verb
- Undercharge Subst. Verb Part. Perf.
- Underclad Adj. Verb
- Undercoat Subst. Verb Adj.
- Undercook Verb Subst.
- Undercool Verb
- Undercount Subst. Verb
- Undercut Subst. Verb Part. Perf.
- Underdefine Verb
- Underdeliver Verb
- Underdevelop Verb
- Underdo Verb
- Underdose Subst. Verb
- Underdrain Subst. Verb Adj.
- Underdress Subst. Verb
- Underdrive Subst. Verb Adj.
- Underemphasise Verb
- Underemphasize Verb Part. Perf.
- Underemploy Verb
- Underestimate Verb Subst.
- Underetch Verb Subst. Adj.
- Underexpand Verb
- Underexplored Part. Perf. Verb
- Underexpose Verb
- Underfeed Verb Adj.
- Underfill Subst. Verb Adj.
- Underfit Verb Adj.
- Underflow Subst. Verb Adj.
- Underfund Verb
- Undergird Verb
- Underglaze Subst. Verb Adj.
- Undergo Verb
- Underkeep Verb
- Underlap Subst. Verb Adj.
- Underlay Subst. Verb Adj.
- Underlease Subst. Verb Adj.
- Underlet Verb Subst. Part. Perf.
- Underlie Verb
- Underline Subst. Verb Adj.
- Underload Subst. Verb Adj.
- Undermine Verb
- Undernourish Verb Part. Perf. Part. Präs.
- Underpaid Adj. Verb
- Underpass Subst. Verb Adj.
- Underpay Verb
- Underperform Verb
- Underpin Verb
- Underplay Verb Subst.
- Underplayed Adj. Verb
- Underplot Subst. Verb