Assimilitude

Negroes are less than 10 per cent of the population. If they were distributed throughout the country instead of being massed as now in special localities, their moral assimilitude with the whites would be easier and more rapid, and motives of hostility and violence would be far less numerous and recurrent.

Source: wiktionary

But difficult as it may be to tear away from the soil and the property handed down to them by their parents they are doing it with ease and an assimilitude that probably surprises them as much or as little as it does anyone else.

Source: wiktionary

Unlike so many of that influxive group of compatriotic immigrants, he refused family aid and asylum and found occupation with a New England tailor in Norwalk, Connecticut, where, in the determination of unhyphenated assimilitude, he mastered the language within the twelvemonth.

Source: wiktionary

If I mistake not, the same jocular writer [John Wolcot] has stated, as a fact, that a man of rank, much spoken of as an able and arch-naturalist, boiled a flea, in order to ascertain, upon scientific principles, its assimilitude to the sanguinary colour of the lobster.

Source: wiktionary