I sense something off about his words.
zuru verb, transitive verb, intransitive verb
be moved; be touched; be impressed
Emotional response to something; often used with ~に to indicate the source of the feeling. 感ずる is slightly more formal than 感じる in this sense.
See also: 感じる
彼の親切に深く感ずるものがあった。
I was deeply moved by his kindness.
その映画に感ずるところがあった。
I was touched by that movie.
zuru verb, intransitive verb
catch (an illness); become infected with
Dated usage for contracting an illness. Modern Japanese prefers かかる or 感染する. Still seen in older literature or formal contexts.
See also: 感じる
昔は、風邪を感ずるとすぐに寝込んだものだ。
In the old days, people would take to bed as soon as they caught a cold.