3. The information processing device according to claim 1 , further comprising: modifier portion acquisition code configured to cause the at least one processor to acquire a modifier portion with respect to the base word of the compound word, wherein the feature information storage code causes the at least one processor to store a classification dictionary associating each of the classification items and a predetermined word, the feature information acquisition code causes the at least one processor to acquire the classification dictionary associating each of the classification items and the predetermined word by referring to the feature information storage, and the compound word classification code configured to cause the at least one processor to distribute the compound word containing the base word into the classification item using the classification model generated in advance using the classification dictionary stored in the feature information storage and the feature information for the modifier portion acquired by the modifier portion acquisition code.
3. The information processing device according to claim 1 , further comprising: modifier portion acquisition code configured to cause the at least one processor to acquire a modifier portion with respect to the base word of the compound word, wherein the feature information storage code causes the at least one processor to store a classification dictionary associating each of the classification items and a predetermined word, the feature information acquisition code causes the at least one processor to acquire the classification dictionary associating each of the classification items and the predetermined word by referring to the feature information storage, and the compound word classification code configured to cause the at least one processor to distribute the compound word containing the base word into the classification item using the classification model generated in advance using the classification dictionary stored in the feature information storage and the feature information for the modifier portion acquired by the modifier portion acquisition code. 4. The information processing device according to claim 3 , further comprising: suffix acquisition code configured to cause the at least one processor to acquire a suffix from the modifier portion acquired by the modifier portion acquisition code, wherein the compound word classification code causes the at least one processor to distribute the compound word containing the base word into the classification item, using the classification model generated in advance using the classification dictionary stored in the feature information storage, and using the feature information for the modifier portion excluding the suffix acquired by the suffix acquisition code.