Traffic stop by the language police.
belie
verb (belies, belying, belied) [with object]
1 (of an appearance) fail to give a true notion or impression of (something); disguise or contradict: his lively, alert manner belied his years.
2 fail to fulfill or justify (a claim or expectation); betray: the notebooks belie Darwin's later recollection.
underlie
verb (underlies, underlying; past underlay; past participle underlain) [with object]
1 be a significant cause or basis of (something) even if not necessarily manifest or obvious: the fundamental issue that underlies the conflict | the fear of loss underlay his extreme jealousy.
2 (especially of a layer of rock or soil) lie or be situated under (something): limestone underlies much of the site.