Here is the discussion based on the provided collocates of 'care_n':

Data from 1830, 1840, 1850, 1860, 1870, 1880, 1890 The collocates of 'care_n' in the 19th century (1830-1890) reveal a strong emotional and personal connotation of the word. Adjectives like "faithful", "jealous", "affectionate", and "tenderest" suggest a sense of devotion and intimacy. The presence of "fatherly" and "pious" implies a paternal and moral aspect of care. The collocates also convey a sense of attention and vigilance, as seen in "watchful", "protecting", and "assiduous". Overall, 'care_n' in this period seems to emphasize a personal, emotional, and responsible attitude towards others.

Data from 1970, 1980, 1990, 2000, 2010 In contrast, the collocates of 'care_n' in the late 20th and early 21st centuries (1970-2010) have a more institutional and professional tone. Adjectives like "intensive", "primary", "managed", and "comprehensive" suggest a formalized and structured approach to care. The presence of "medical", "prenatal", "dental", and "psychiatric" implies a focus on healthcare and social services. The collocates also convey a sense of accessibility and availability, as seen in "affordable", "available", and "basic". Overall, 'care_n' in this period seems to emphasize a more formal, organized, and accessible system of care.

Comparison of phrases in [1830, 1840, 1850, 1860, 1870, 1880, 1890] and [1970, 1980, 1990, 2000, 2010] The most striking difference between the two sets of collocates is the shift from a personal and emotional connotation to a more institutional and professional one. In the 19th century, 'care_n' was associated with personal relationships and emotions, whereas in the late 20th and early 21st centuries, it is linked to formal systems and services. This shift suggests a change in societal values, where care is no longer seen as a personal responsibility, but rather as a professional service provided by institutions. Additionally, the modern collocates emphasize accessibility and affordability, indicating a greater concern with equality and social welfare.