Reference for Bava Kamma 53:19
לא צריכא דרובא קרו לה לכדא כדא ולחביתא חביתא ואיכא נמי דקרו לחביתא כדא ולכדא חביתא מהו דתימא זיל בתר רובא
Here [on the other hand] the commencement is with barrel<span class="x" onmousemove="('comment',' Heb. Habith. ');"><sup>25</sup></span> and the conclusion with pitcher!<span class="x" onmousemove="('comment',' Heb. Kad. ');"><sup>24</sup></span> We have again likewise learnt elsewhere: In the case of this man coming with a [habith] barrel of wine and that one proceeding with a [kad] pitcher of honey, and as the [habith] barrel of honey cracked, the owner of the wine poured out his wine and saved the honey into his barrel, he is entitled to no more than his service.<span class="x" onmousemove="('comment',' V. infra p. 685. ');"><sup>27</sup></span> Here again the commencement is with pitcher<span class="x" onmousemove="('comment',' Heb. Habith. ');"><sup>25</sup></span> and the conclusion with barrel!<span class="x" onmousemove="('comment',' Heb. Habith. ');"><sup>25</sup></span> R. Papa thereupon said: Both kad and habith may denote one and the same receptacle. But what is the purpose in this observation?<span class="x" onmousemove="('comment',' How can it affect law. ');"><sup>28</sup></span> — Regarding buying and selling.<span class="x" onmousemove="('comment',' The two terms may be interchanged in contracts as they are synonyms. ');"><sup>29</sup></span> But under what circumstances? It could hardly be thought to refer to a locality where neither kad is termed habith nor habith designated kad, for are not these two terms then kept there distinct? — No, it may have application in a locality where, though the majority of people refer to kad by the term kad and to habith by the term habith, yet there are some who refer to habith by the term kad and to kad by the term habith. You might perhaps have thought that the law<span class="x" onmousemove="('comment',' Regulating technical terms in contracts of sale. ');"><sup>30</sup></span> follows the majority.<span class="x" onmousemove="('comment',' Who keep the two terms distinct. ');"><sup>31</sup></span>